NAME OF THE COMPANY

DETAILS OF JOB EXECUTED

ACC Limited.

Kymore

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        
    25MW 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.

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.

Ambuja Cement Ltd.
Bhatapara

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

PT Indorama Synthetics Tbk, Indonesia 

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).

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.

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.

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.

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

a)  Preparation of Key one 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.

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

53.0

Power system study for electrical distribution system including :

a)  Short Circuit Study.

b)  Relay Setting and co-ordination.

52.0

Ultra Tech,
Amreli (Gujarat).
(Ex L&T Cement)

Power system study for 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

51.0

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

 GACL 
 Bathinda

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

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

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

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

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

 Madukarai

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

 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

 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

 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.