REFERENCE LIST :   POWER SYSTEM STUDIES

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Given below is a list of Power System Study Projects and related Scheme Engineering Jobs executed by us:

SR. 
NO.

NAME OF THE COMPANY

DETAILS OF JOB EXECUTED

110.0

Eartha General Trading and Cont. Co. W.L.L., Kuwait

December 2011

Selection of Current Transformer (6 Nos) for the differential protection of Recycle Gas Compressor Motor (C-02-106M) at KNPC Mina Abdulla Refinery.

Scope of Work :

a.  Working out fault current calculation for this motor feeder considering

     13.8 kV Switchgear as a source.

b.  Working out the specification of current transformer for proper

     performance of Motor differential relay (ANSI device 87M) by carrying

     out C.T. Sizing calculation.

109.0

Gujarat Fluorochemicals Ltd., Bharuch

Consultancy Services for carrying out system studies for improving Flexibility, Reliability and Stability.

･ Flexibility Studies :

     a.   Preparation of Key Single Line Diagram.

     b.   Load Flow, Short Circuit, Transient Stability (Studies with Fault

           Current Limiter).

     c.   Detail engineer and procurement specification of Fault Current

           Limiter.

･ Reliability Studies :

     a.   Designing of GIS and LSS scheme.

     b.   Preparation of GIS and LSS panel specification.

･ Stability Studies :

     a.   Overall System Modeling.

     b.   Short Circuit Study.

     c.   Relay Setting and Relay Co-ordination.

     d.   Working out unit protection settings for generators, transformers,

           HV motors, LV motors and outgoing power feeders.

108.0

Cairn Energy India Pty. Ltd.

Barmer, Rajasthan

Consultancy services for carrying out Relay setting and Relay Co-ordination study of Raageshwari Gas Terminal.

The scope includes,

a.    Preparation of Key Single Line Diagram.

b.    Carrying out Short Circuit Study.

c.    Relay setting and Relay Co-ordination.

d.    Working out Unit Protection for Generator, Transformers, HV  Motors,

       LV Motors and Outgoing Power Feeders.

107.0

BG Exploration and Production India Ltd.,

PANNA Platform

Power system study and Power option study for extra power of ESD Migration.

The scope includes,

a.    Steady state analysis.

b.    Motor starting study.

c.    Short Circuit Study.

d.    Power system adequacy check.

e.    Cable sizing and cable schedule.   

106.0

Manikgarh Cement Ltd.,

Gadchandur

Consultancy services for carrying out System study for selection of voltage level for distribution of power at New cement plant.

105.0

 Ambuja Cement Ltd., Bhatapara

Consultancy services for carrying out  Relay setting and Relay co-ordination study for Cement Line-1, Cement Line-2, TPP, 132 kV Grid and DGs.

The scope includes,

a.    Preparation of Key Single Line Diagram.

b.    Carrying out Short Circuit Study.

c.    Relay setting and Relay co-ordination.

d.    Working out Unit Protection for Generator, Transformers, Tie Feeders,

       HV Motors, LV Motors and Outgoing Power Feeders.

104.0

 Ultratech Cement Ltd. (TPP) Kovaya, Gujarat

Consultancy services for carrying out Relay setting and Relay co-ordination study for various substations of Cement plant at Ultratech Cement Ltd., Kovaya unit.

The scope includes

a.    Preparation of Key Single Line Diagram.

b.    Carrying out Short Circuit Study.

c.    Relay setting and Relay co-ordination.

d.    Working out Unit Protection for Generator, Transformers, Tie
       Feeders, HV Motors, LV Motors and Outgoing Power Feeders.

103.0

Petronet LNG Ltd., Dahej

Consultancy services for carrying out Relay setting and Relay co-ordination study for LNG terminal at Dahej.

The scope includes

a.    Preparation of Key Single Line Diagram.

b.    Carrying out Short Circuit Study.

c.    Relay setting and Relay co-ordination.

d.    Working out Unit Protection for Generator, Transformers, Tie
       Feeders, HV Motors, LV Motors and Outgoing Power Feeders.

102.0

Ultratech Cement Ltd. (TPP) Kovaya, Gujarat

Consultancy services for Grid Islanding and Load shedding scheme for Ultratech Cement Ltd., Kovaya unit. The scope includes carrying out following activities.

a.  Carry out Load Flow Studies.

b.  Carry out Transient stability studies.

c.  Engineering a Grid Islanding and Load shedding scheme.

d.  Preparation of purchase specification for GIS and LSS panel.

e.  Review of Vendor drawings for GIS and LSS panel.

f.   Work out Relay setting for GIS and LSS scheme relays based on
     Transient Stability studies.

101.0

Ambuja Cement Ltd.,

Bhatapara CPP

The scope includes,

Deputation of Sr. Technical Executive for analyzing trials taken on Governor and AVR.

100.0

Indo Rama Synthetics (I) Ltd., Nagpur.

Consultancy Service for addition of 11 MW STG at Butibori, Nagpur.

The scope includes,

a.   Preparation of Key Single Line Diagram.

b.   Short Circuit study.

c.   Load flow study.

d.  Transient stability study.

e.   Relay setting and Relay Co-ordination study.

f.    Unit Protection of 11 MW Generator.

g.   Grid Islanding and Load Shedding scheme.

99.0

Jindal Steel & Power Ltd., Raigarh

Our scope of work includes,

a.  Transient Stability Studies.

b.  Detail engineering for Grid Islanding and Load Shedding scheme

     (GIS- LSS).
c.   Preparing GIS-LSS panel Specifications.

d   Technical Tender analysis of vendors offer for Grid Islanding and Load
      Shedding panel.

e.   Review of vendor drawings of GIS-LSS panel.

f.    Preparing cable schedule and interconnection diagram for GIS-LSS
      panel.

98.0

Ultratech Cement Ltd., Bhavnagar

Checking the feasibility of providing the black start power supply to new TPP through 2 x 6 MW DG set at existing cement plant. 

This includes,

a)   Sizing the cables and the overhead lines, interconnecting DG set end
       and TPP auxiliary power supply. 

b)    Sizing the transformer and its specification.

c)    Defining the grounding and earthing system.

d)    Designing the protection system for this black start link.

e)    Checking the feasibility of switching IN the largest motor on one DG
       set at TPP with max. running load of any one of unit auxiliary.

97.0

Jindal Steel & Power Ltd., Raigarh

Power System study for hookup of new EAF at proposed 220kV switchyard.

a.  Carry out Load flow study

b.  Carry out Transient stability study to calculate critical clearance time
     for fault in,

     a) New 220 kV switchyard bus

     b) New 33 kV bus

c.  Transient stability studies to identify voltage profile during switching IN
     and OFF of new EAF with five alternate rating

d  Transient stability study to check the voltage profile during momentary
     load of MLSM.

96.0

Ultratech Cement Ltd., Bhavnagar

Relay Setting and Relay Co-ordination study for 4 x 23 MW Power plant electrical distribution system, from 220 kV GEB incomer at power plant up to 415 V MCC Incoming feeders.

This includes,

a)     Preparation of key single line diagram with Data compilation report.

b)     Short Circuit Study.

c)     Relay Setting and Relay Co-ordination.

d)     Working out unit protection settings for,

         i)      Generators.  

         ii)     Power Distribution transformers.

         iii)    Tie feeders.

         iv)    11 varieties HT Motors.

         v)     220 kV  and 66 kV line.

         vi)    220 kV switchyard protection.  

         vii)    LT Motors capacity higher than 90 KW.

         viii)   PCC and MCC incomers.

95.0

Abu Dhabi Oil Refining Co. Takreer

Our scope of work includes carrying out relay co-ordination study and provide relay setting schedule for electrical system of Abu Dhabi Oil Refinery Ruwais Sulphur Expansion Phase III project.

94.0

BG Exploration and Production India Limited, Panna. 

Consultancy services for starting of zero flare Gas compressor for Panna field.

The scope includes

a.   Preparation of wiring or control schematic drawings

b.   Relay setting and Motor starting study with soft starter.

93.0

Gujarat Ambuja Cements Ltd., Bhatapara Unit.

Consultancy services for Grid Islanding and Load shedding scheme for GACL, Bhatapara unit. This scope includes carrying out following activities.

a.  Transient stability studies.

b.  Engineering load shedding scheme.

c.  Engineering grid islanding scheme.

d.  Work out back-up under frequency load shedding block.

e.  Work out Grid Islanding scheme relay setting.

f.   Work out load shedding scheme back up under frequency relay setting.

92.0

ACC Limited, Kymore.

Our scope of work includes, carrying out power system studies for the electrical system.

Our scope of work includes,

a)   Load flow studies.

b)   Transient stability studies.

c)    GIS and LSS settings.

91.0

ACC Limited, Kymore

Our scope of work includes carrying out relay setting and relay co-ordination for 132 kV switchyard, 2 x 25 MW CPP, cement plant,

The scope includes,

a)   Short Circuit study.

b)   Relay co-ordination study.

c)   Work out unit protection settings.

90.0

Indo Rama Synthetics (I) Ltd.,   Nagpur.

Consultancy Service for addition of 37.5 MW STG at Butibori, Nagpur.

The scope includes,

a.   Checking feasibility for addition of new 37.5 MW STG and its power
      evacuation.

b.   Conceptualizing the electrical system through Single Line Diagram.

c.   Feasibility study for Power evacuation route.

d.   Load Flow study.

e.   Checking Feasibility of Power evacuation of 37.5 MW power plant.

f.    Short circuit study.

g.   Sizing and rating of cables, power transformers, CT, PT Switchgears.

h.   Billing and metering system for Import / Export of power.

i.    Checking layout feasibility.

j.    Estimating the requirement of earthing system.

k.   Evaluating the requirement of control, protection system.

89.0

Emami Paper Mills Ltd., Orissa

Power System Study for existing electrical distribution system for parallel operation of two TG sets (15 MW + 5 MW) and flexibility of re-distribution. This includes,

a)   Short circuit study results considering parallel operation of Grid + 15 MW

       T.G. Set + 5MW T.G. Set

b)    Load flow study results considering parallel operation of Grid + 15 MW
       T.G. Set + 5 MW T.G. Set.

c)    Relay Setting and Relay Co-ordination for  parallel operation of

       Grid + 15MW T.G. Set + 5 MW T.G. Set.

88.0

Monnet Ispat & Energy  Ltd., Raigarh

Carrying out following Power System studies for their system. This includes,

i)    Load Flow Study.

ii)   Short Circuit Study.

iii)  Transient Stability study.

iv)  Transformer Sizing.

v)   Harmonics study.

vi)  Review of transformer protection.

87.0

Essar Oil Ltd., Jamnagar

Our scope of work involves, carrying out Analysis for failure of 33 kV Current Transformers at FCCU substation and providing recommendation.

86.0

Essar Oil Ltd., Jamnagar

Carrying out Transient Stability studies, our scope of work includes,

a)   To check the behavior / survival of Generators.

b)   To calculate and provide revised under frequency Load Shedding.
       scheme and Grid Islanding scheme backup under frequency settings.

85.0

Gujarat Fluora Chemicals Ltd, Dahej

Consultancy services for improving electrical system reliability and stability. This includes,

a)   Review of basic design of electrical system.

b)   Review of protective system, protection scheme and control logics.

c)   Carry out Power System Studies  

       i)    Load Flow study.

       ii)   Short Circuit Study.

       iii)  Relay setting and Relay co-ordination study.

       iv)  Unit protection settings for Motor and Generator Protection relays

d)   Integration of new 11kV, 18 MW power plant and existing 11kV  
       network (CPP + Grid).

e)   Protection system design for continuous parallel operation of existing
      CPP with grid power.

f)    Transient Stability studies.

g)   Engineering of Grid Islanding scheme

h)   Engineering of Load Shedding scheme.

84.0

Associated Cement Cos. Ltd. Wadi Cement Works,  Karnatka. 

(CPP)

Relay co-ordination study for Existing plant, New plant and Captive power plant of ACC Wadi of 3 x 25 MW generation. This includes,

i)    Preparation of Single Line Diagram.

ii)   Carrying out Short Circuit Study.

iii)  Carrying out Relay setting and co-ordination study.

83.0

Deepak Fertilizers and  Petrochemicals Corp. Ltd.  Taloja

a)   Electrical system studies  This includes, 

       i)    Load Flow Study

       ii)   Short Circuit Study.

       iii)  Motor starting

       iii)  Load Flow study with new system additions.

       iv)  Feasibility of system for various option.

b)   Grid Islanding and Load Shedding scheme.

       i)   Transient Stability studies

       ii)   Prepare GIS scheme

       iii)  Prepare LSS scheme with both MW based and frequency based.

       iv)  Prepare specification of GIS and LSS scheme equipments.

       v)   Relay settings of various protective relays used for GIS and LSS.

82.0

Jindal Steel and Power Ltd. Raigarh (Chattisgarh)

Power system design engineering at Raigarh, Chattisgarh. This includes,

a)      Preparation of Key Single Line Diagram

b)      Carrying out Short Circuit Study.

c)      Relay setting and Relay Co-ordination

81.0

Indo Rama Synthetics (I) Ltd., Nagpur.

Consultancy Service for Relay Setting, Relay Co-ordination and Grid Islanding & Load Shedding Scheme engineering for 2 x 15.0 MW Captive Co-generation Thermal Power Plant, 3 x 13.5 MW + 3 x 4 MW DG Power Plants and Grid System at our Plant Butibori, Nagpur.

The scope includes,

a)      Relay Setting and Relay Co-ordination study for electrical distribution
         system.

         i.    Short Circuit study.

         ii.    Protection Review.

         iii.   Relay Setting and Relay Co-ordination.

         iv.   Working out Unit Protection Settings.

b)      Grid Islanding and Load Shedding Scheme.

         i.     Load flow study.

         ii.    Transient stability study.

         iii.   Engineering of Grid Islanding and Load Shedding Scheme.

         iv.   Working out Relay setting for Grid islanding and Load Shedding
                Scheme.

80.0

Jindal Steel and Power Ltd., Raigarh

Relay Setting and Relay Co-ordination study for RUBM plant and 148” Plate Mill plant electrical distribution system. This includes,

a)   Short Circuit Study.

b)   Relay Co-ordination study. 

c)   Working out Unit Protection Settings.

79.0

BG Exploration and Production  India Limited.,
Mumbai

Relay Setting and Co-ordination study for electrical system of Panna Platform including.

a)  Short Circuit Study.

b)  Relay Setting and Co-ordination study

78.0

Jindal Steel and Power Ltd., Raigarh

Study of dynamic switching of HT Motors.

77.0

ESSAR STEEL  LTD., Vishakhapatnam

Study of Capacitor banks & Unit Protections,

a)   Carrying out Load Flow Studies for sizing of Capacitor banks and
       identifying their locations

b)   Working out Unit Protection Settings for HT and LT motors.

76.0

Jindal Steel and Power Ltd., Raigarh

Feasibility Study of Power evacuation from 4 x 135 MW Captive Power Plant at Dongamohua, Tamara, Dist : Raigarh. This includes,

a)   Feasibility Study for evacuation of power from 4 x 135 MW Captive
       Power Plant at Dongamohua, Tamnar, Raigarh to JSPL New switchyard
       for 3 MT steel plant.

b)  Load flow study  & Short circuit study for Option-1, i.e. for 4 x 135 MW
      CPP to JPL 220 kV switchyard and JPL 220 kV switchyard to JSPL new
       220 kV switchyard.

c)   Load flow study & Short circuit study for Option-2, i.e. for 4 x 135 MW
      CPP to new 220 kV switchyard at JPSL.  

75.0

Jindal Steel and Power Ltd.

Raigarh, Chattisgarh

Power System Study for the electrical system including :

a. Load flow study

b. Short circuit study

c. Transient stability study in case of

    i. Tripping of 220kV incoming CSEB lines at JSPL.

    ii. Tripping of 250MW TG set at JPL.

d. Engineering an islanding scheme.

e. Engineering a load shedding scheme under following conditions

    i. Tripping of 220kV CSEB lines at JSPL.

    ii. Tripping of 250MW set at JPL.

f. Working out the settings for islanding relays and the load shedding blocks,
    for following conditions,

    i. Tripping of 220kV CSEB lines at JSPL.

    ii. Tripping of 250MW set at JPL.

g. Working out over current and earth fault relay settings for,

     i.  220kV line from JPL to OPJIP.

     ii. 220kV line from OPJIP to JSPL.

     iii. 220kV interconnection, i.e. power evacuation route from receipt of JPL
          power at JSPL to CSEB lines.

     iv. JSPL TG sets power evacuation route up to 220kV bus.

h. Working out voltage and frequency relay settings for following,

     i.   220kV line from JPL to OPJIP.

     ii.  220kV line from OPJIP to JSPL.

     iii. 220kV interconnection, i.e. power evacuation route from receipt of JPL
          power at JSPL to CSEB lines.

     iv.  JSPL TG sets power evacuation route up to 220kV bus.

74.0

PT Indorama Tbk (Polyester).   Indonesia

a)   Power system studies. This includes, 

       i)    Load Flow Study

       ii)   Short Circuit Study.

       iii)  Fault investigation and disturbance analysis for a cable fault of
             6.3kV tie feeder to 6.3 kV SPG 2/3 switchgear.

       iv)  Power supply distribution and modification.

b)   Relay setting and co-ordination study

73.0

Essar Steel Ltd. Vizag.

Power system design engineering at Vizag (A.P.). This includes, carrying out

a)  Load Flow Studies for sizing of capacitor banks and identifying
      their locations.

b)   Working out Unit Protection settings for HT and LT motors.

72.0

PT. Indorama Synthetics Tbk,  Polyester Division, Indonesia.

Deputation of Sr. Executive to site occurrence analysis. This includes carrying out data collection, review, analysis and investigation and submission of detail analysis report.

71.0

GRASIM INDUSTRIES LTD, (CHEMICAL DIVISION.), Nagda

Power System Study for the electrical system including :

a)   Load Flow Study

b)   Short Circuit Study

c)   Relay Setting and Relay Co-ordination Study

70.0

Jindal Stainless Ltd.

Jajpur, Orissa

Power System Study for the electrical system including :

a. Prepare and submit key single line diagram (220 kV) relevant to the  
     protection system for the following two options:

    i. Augmentation of existing yard keeping the 220 kV switchyard at the
       original position and

   ii. Construction of new 220 kV switchyard at suitable location.

b. Carry out the load flow study to identify the basic rating of the equipments
    and to check the feasibility of the two options technically and
    commercially.

c. Work out Voltage & Frequency profile at load centers for the two options
    under

    i.  Steady state condition &

    ii. Dynamic condition of the load.

d. Carry out Short circuit study for three phase faults and phase to earth
     faults for the limited system under study.

e. Define basic rating of the major equipments such as :

    i. Transformers

    ii. Cables

f.  Examine suitability of equipments already in service from view point of
    current carrying and short circuit withstand capacity.

g. Stability studies to be carried out for following conditions:

    i.   Load flow studies for different grid and captive generators operating
         conditions.

    ii.  The effect of dynamic loads of SAF, EAF and rolling mills on the grid
         and Captive generators under different operating conditions.

    iii. The operations of the plant with / without GRID and with different
          numbers of captive generators under different operation condition of
          the plant.

h. Carrying out following power system studies to develop the application of  
    Grid islanding scheme (GIS) and load shedding scheme (LSS).

    i.  Transient stability study.

    ii. Study to evaluate critical clearance time for fault at 220 kV Gridco Bus,
        33 kV MRSS Bus and other 33 / 6.6 kV bus.

i.  Engineer a Grid islanding scheme for isolating the in-house Captive
    Power Plant from disturbance in Gridco.

j.  Engineer a Load Shedding Scheme, to ensure the survival of CPP on
    survived (balance) load.  This load Shedding Scheme shall be PLC based
    OR back up under frequency based or both.

k. Prepare and submit, purchase specification for GIS and LSS panel.
    Assist  JSL in scrutinizing the offers received from Vendors technically. 
    Forward the recommendation for selected vendor after obtaining various
    clarifications from vendor.

l.   Review of vendor drawings for GIS and LSS panel

m. Relay setting for GIS and LSS scheme relays and relay setting and            
     co-ordination for the equipment on power evacuation route

69.0

Kamal Engineering   Consultants, Dubai.

Carrying out Relay Setting, Relay Co-ordination and harmonic analysis for District Cooling plant project.

68.0

CAIRNS ENERGY INDIA PTY  LIMITED,
SURAT

Restricted Neutral Earthing study. This includes,

a)  Design the Grounding arrangement for 415Vsystem.   

b)  Review of existing electrical equipment in the electrical system for
     satisfactory operation in conjunction with the modified earthing system.   

c)  Define the design parameters and detailed technical specifications for
      Neutral Grounding Resistors for procurement and installation.

d)  Design of protective relaying system with specification of equipment such
     as current transformers, potential transformers, protection relays.

e)  Relay Setting and Relay Co-ordination for existing protective relays.  

67.0

JINDAL STEEL & POWER LTD., Raigarh

Study of dynamic switching of HT Motors.  

66.0

CHEMAF S.P.R.L., (Republic  of Congo),
Africa

Feasibility study of Load Flow, Short Circuit and Relay Co-ordination of existing Plant electrical distribution system and upgrading the same with upcoming new requirements / projects.

65.0

ACC Limited.

Kymore Cement Works,

M.P.

Power System Study for the electrical system including :

a)  Relay Setting, Relay Co-ordination and Unit Protection settings of New
     25 MW captive power plant and its auxiliaries.

b)  Review of synchronizing scheme of New 25 MW captive power plant and
     its inter-connection with existing electrical system.

c)  Relay Setting for the emergency Power supply to NEW 25 MW CPP.

d)  Review of Grounding system of old CPP, existing 25 MW CPP, new
     25 MW CPP, power distribution transformers and load centers.

e)  Relay Setting and Relay Co-ordination of entire electrical system with
     new operating conditions.

f)   Study of lightning arrestor installation throughout plant.

g)  Design of Load Shedding Scheme.

64.0

Essar Steel Limited, Vishakhapatnam

Power System Study for the electrical system including :

a)  Short circuit study. 

b)  Relay Co-ordination study. 

c)  Unit protection relay settings for Generators, Transformers and Motors of
     CPP. 

d)  Grid Islanding Scheme (GIS) and Load Shedding Scheme (LSS). This
     includes,

     i.    Transient stability study.   

     ii.   Study to evaluate critical clearance time for fault at 132 kV APSEB
           Bus, 6.6 kV Bus and 10.5 kV CPP Bus.

     iii.   Load flow study.

     iv.   Engineering Grid Islanding Scheme.

     v.   Engineering Load Shedding Scheme.

63.0

Ambuja Cement Ltd.
Bhatapara, Raipur

Chattisgarh.

(CPP)

Rationalization of Power System (Neutral Grounding) at Bhatapara.

62.0

Sterlite Industries (I) Ltd.,   Tuticorin, Tamil Nadu

Load flow study involving Generator and generator transformer vis-à-vis power evacuation to specify the basic parameters of generator transformer.

61.0

PT Indorama Synthetics Tbk,   Indonesia 

Power System Study for the electrical system including :

a)  Short circuit study. 

b)  Relay Setting and Co-ordination of 2 X 30 MW Power Plant. 

c)  Unit protection settings

d)  Transient Stability Studies. 

e)  Design Engineering of Grid Islanding Scheme (GIS) and Load Shedding
     Scheme (LSS).

60.0

Emami Paper Mills Ltd., Balasore, Orissa

Power System Study for the electrical system including :

a)  Load flow, stability and motor starting study.

b)  Short circuit and Relay Co-ordination study.

c)  Unit protection relay settings for Generators, Transformers and HT
      Motors.

d)  Design, engineering of Grid Islanding (GIS), Load Shedding (LIS)
      scheme and related power system study for continuous parallel
      operation of T.G. with Grid supply.

59.0

Harihar Polyfibres Ltd., 
Harihar (Karnataka)

Power system study for electrical distribution system including :

a)  Load Flow Study

b)  Short Circuit Study.

c)  Relay Setting and co-ordination.

d)  Transient stability study.

e)  Design of PLC based Grid Islanding, Load Shedding scheme and
      backup under frequency, load-shedding scheme.

58.0

Essar Oil Ltd., 
Jamnagar

Power System Study for the electrical system including :

a)  Basic Engineering of Grid Islanding and Load Shedding Scheme for
      isolating in house Captive Power Plant from disturbance in GEB grid.

b)  Engineering a Load Shedding Scheme to operate after successful Grid
      Islanding Scheme to ensure survival of Captive Power Plant on balance
      load.

c)   Prepare and Submit purchase specification for GIS and LSS panel.

d)  Technical scrutinies of offers received from vendors and submit
      purchase recommendation.

e)  Carry out Transient Stability Studies to evaluate Critical Clearing Time
      (CCT).

f)    Review of Vendor drawings for GIS and LSS panel.

g)   Relay setting for GIS and LSS scheme relay.

57.0

Indian Farmers Fertiliser  Copoperative Ltd., Paradeep Unit, 
Orissa

Study of Existing system control scheme for Tripping of Generator Breakers & Turbine under various conditions of Fault.

56.0

The Associated Cement  
Companies Ltd.

Kymore Cement Works,

M.P.

Relay Co-ordination Study for 8 MVA Transformer and Quarry Electrical System including,

a)  Preparation of Key single line drawings indicating the protection system.

b)  Short circuit study and Relay Setting Co-ordination. 

c)  Identifying lacunas in existing protection system and 
     recommendations to 
     overcome them.

d)  Unit Protection Setting.

55.0

BG Exploration and Production  India Limited.,}
Mumbai

Relay Setting and Co-ordination study for electrical system of Tapti Platform including.

a)  Short Circuit Study.

b)  Relay Setting and Co-ordination.

c)  Unit Protection Settings.

54.0

Jindal Steel & Power Ltd.     Raigarh

Carrying out Load flow study of 220 KV network of JSPL, JPL, CSEB for Power evacuation for IX250 MW power plant at JPL through 220 KV network.

53.0

ACC,
Chanda Cement Works,   Chandrapur, Maharashtra

Power system study for electrical distribution system including :

a)  Short Circuit Study.

b)  Relay Setting and co-ordination.

c)   Unit Protection.

52.0

Ultra Tech,
Gujarat Cement Works,
Amreli, Gujarat.
(TPP)

Power system study for old STG + GTG electrical distribution system including :

a)  Short Circuit Study.

b)  Relay Setting and co-ordination.

c)  Transient stability study.

d)  Design of PLC based Grid Islanding, Load Shedding   scheme
     and backup under frequency, load shedding scheme.

51.0

Hindustan Lever Ltd.,              Sewri (Mumbai)

Power system study for electrical distribution system including :

a)  Short Circuit Study.

b)  Relay Setting and co-ordination.

c)  Unit protection for transformer.

50.0

Joint Operations,
Wafra Kuwait through 
Kuwait Controls Co.

Power system study for 3.3kV, 11kV and downstream distribution system of Joint operation, Wafra including :

a)  Load Flow Studies

b)  Short Circuit Study.

c)  Relay Setting and co-ordination.

d)  Transmission Line Sag Calculation.

49.0

Kuwait National Petroleum Co.,  Kuwait, through House of Trade Co.

Power system study for electrical distribution system of 3Nos. Frequency Converter Units, 13.8kV, 2.4kV and 480V distribution system at Mina Abdulla Refinery 
including :

a)  Short Circuit Study.

b)  Relay setting and co-ordination.

c)  Unit protection settings for Synchronous Motor, Synchronous  
     Generator, Transformers, HT and LT Motors.

48.0

IPCL
Baroda

Power system study for electrical distribution system for 6.6kV switchgear replacement including :

a)  Relay setting and co-ordination.

b)  Unit protection for Motors.

47.0

Gujarat Ambuja Cement  
Ltd.
Bathinda, Punjab.

Power system study for electrical distribution system including :

a)  Short Circuit Study.

b)  Relay Setting and co-ordination.

c)  Unit protections for transformer, motor.

46.0

Joint Operations - through   Heavy 
Engineering Industries and  Shipbuilding 

Co. 

Power system study for 34.5kV, 4.16kV and 0.48kV distribution system including :

a)  Short Circuit Study.

b)  Relay Setting and co-ordination.

c)  Unit protections for transformer, H.T. Motors.

45.0

Hindustan Lever Ltd.,  

Sumerpur

Power system study for electrical distribution including :

a)  Short Circuit Study.

b)  Relay Setting and co-ordination.

c)  Unit protections for transformer, generator.

44.0

Sterlite Industries Ltd.,  

Tuticorin

Power system study for electrical distribution including :

a)  Short Circuit Study.

b)  Relay Setting and co-ordination.

c)  Unit protections for generators, transformers.

43.0

Madras Aluminium Company  Ltd.,

Mettur

Power system study for electrical distribution system based on enhanced generating capacity, this includes:

a)  Transient stability study of the electrical system

b)  Fault level calculation study, from 110kV up to MCC

c)  Relay setting and relay co-ordination from 110kV up to MCC

d)  Unit Protection for Generators, Transformers.

e)  Study of electrical interlocks for plant electrical system.

f)   Review battery banks capacity and D.C. distribution system.

g)  Review of earthing and grounding system emergency power  
     source system. 
h)  Grid Islanding and under frequency load shedding scheme.

42.0

Hindalco Industries Ltd., 

Dahej

Feasibility Study for Islanded Operation of 60 MW TG set

41.0

Grasim Industries Ltd., 

Nagda

Study of effect on entire electrical distribution system due to additional

5.515 MW TG set including,

a)  Short Circuit Studies

b)  Relay setting and co-ordination

c)  Unit Protection for Generators, Transformers

40.0

Hindalco Industries Ltd., 

Dahej

Power System Study for electrical distribution system of 
Copper-1 & 2 system including :
a)  Short Circuit Study
b)  Relay  Setting  and  Co-ordination
c)  Design of PLC based Grid Islanding and Load Shedding 
     Scheme
d)  Design of Interlocking Scheme of 11 KV Incomer and Bus
     coupler feeders
e)  Generator Protection Relay Settings.

39.0

Hindalco Industries Ltd., 

Dahej

Feasibility Study for starting of 3 Nos 7.75 MW motors

38.0

Hindalco industries Ltd., 

Dahej

Feasibility Study for starting of 2 Nos 4 MW motors

37.0

Oswal Chemicals and Fertilizers  Limited, 
Paradeep - Orissa

Working out Motor Protection Relay Settings for 6.6 kV Motors

36.0

Hindustan Lever Ltd.,

Daman

Power System Study for electrical distribution system including 

a) Short Circuit Studies

b) Relay setting and co-ordination

35.0

Hindalco industries Ltd., 

Dahej

Detail engineering for hookup of Oxygen plant electrical system

with existing MRSS system.

34.0

Hindustan Lever Limited, 

Nashik

Power System Study for electrical distribution system including :

a)  Short Circuit Studies

b)  Relay setting and co-ordination

c)  Unit Protection Studies.

33.0

Hindustan Lever Limited,

Andheri, Mumbai

Power System Study for electrical distribution system including :

a)  Short Circuit Studies

b)  Relay setting and co-ordination

c)  Unit Protection Studies.

32.0

The Associated Cement  Companies Ltd., 

Jamul Cement Works,       Chattisgarh.

Power System Study for electrical distribution system including :
a)  Short Circuit Study
b)  Relay  Setting  and  Co-ordination

c)  Work out Unit Protection Settings of Transformer, HT Motors, 
     Generator Protection Relays.

31.0

The Associated Cement  Companies Ltd., 

Keymore Cement Works

M.P

Power System Study for electrical distribution system including :
a)  Short Circuit Study
b)  Relay  Setting  and  Co-ordination

c)  Work out Unit Protection Settings of Transformer, HT Motors, 
     Generator Protection Relays.

30.0

Hindustan Lever Limited,   

Andheri - Mumbai

a)  Preparation of detail  Single Line Diagram of 11kV and 415 V
     electrical distribution system.
b)  Electrical system safety audit from the view point of,

·        Electrical system adequacy from operation view point. equipments

·        Review of installed / supplied and in operation.

·        Compliance of statutory requirements.

29.0

Schenectady Herdillia Limited,

Navi Mumbai

Electrical System study of entire electrical distribution system including                     
a)  Short Circuit studies 
b)  Relay settings and Relay  co-ordination
c)  Unit protection review and settings

28.0

Ambuja Cement Eastern Limited,

Rawan, Chattisgarh.

(CPP)

Electrical System study of entire electrical distribution system including                     
a)  Short Circuit studies 
b)  Relay settings and Relay  co-ordination
c)  Unit protection review and settings

27.0

The Associated Cement Cos.   Limited,     

Madukarai Cement Works,

Coimbatore.

(CPP)

Electrical System study of entire electrical distribution system including                     
a)  Short Circuit studies 
b)  Relay settings and Relay  co-ordination
c)  Unit protection review and settings

26.0

ESSAR Steel Limited, 

Hazira

System study of electrical system of HBI Plant, including:
a)       Short Circuit Study & Relay Setting Relay Co-ordination
b)       Generator protection Relay Setting for 20 MW GTG and 

          10 MW STG
c)       Review of Class A-B-C trip logics of 20 MW GTG and

          10 MW STG
d)       Transformer Unit protection relay settings for 135 MVA 
           220 / 33 kV and 100 MVA  220 / 33 kV Transformers

25.0

Steel Authority Of India Limited, 

Rourkela

Electrical System study of entire electrical distribution system including                     
a)   Short Circuit studies 
b)   Relay settings and Relay  co-ordination
c)   Voltage Dip Studies 
d)   Stability  Studies
e)   Design of Grid islanding and load Shedding scheme.
f)    Load flow studies 
g)   Unit protection review and settings

h)   Auto Changeover Scheme

i)    Mesh Distribution System

j)    Review of Neutral Grounding and Protection System

24.0

Ruchi Soya Industries Ltd., 

Indore

Feasibility study for 7.5 MW co-generation power plant.

23.0

Atul Ltd., 

Valsad

Electrical System study of entire electrical distribution system including                     

a)  Relay setting, Relay co-ordination of existing system.

b)  Modifications of Grid Islanding and Load shedding scheme 
     due to change of operating mode.

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