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SR. NO. |
CLIENT / SERVICES |
TYPE OF JOB |
|
7.0 |
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. |
|
6.0 |
Shadeed Iron and Steel L.L.C., Oman November 2011 |
･ a. Electrical system data base report for power system study modeling. b. Key single line diagram indicating protection system. ･ Short Circuit Studies for, a. Phase Faults b. Earth Faults ･ Relay Setting & Relay Coordination a. Phase over current relays b. Earth fault over current relays ･ Unit protection settings for, a. Transformers b. MV Motors and LV Motors where motor protection relays are provided |
|
5.0 |
British Gas Exploration and Production India Ltd., Panna October 2011 |
Scope of Work : a. Site Visit and Data Collection b. Feasibility Studies for starting of important loads under Blackstart conditions. c. Hazard Analysis of the existing Blackstart equipment. d. Carry out detailed HAZID, HAZAN and Reliability, Availability, Maintainability studies. e. Voltage Dip Study f. Black start philosophy, sizing of various equipments and starting sequence. |
|
4.0 |
British Gas Exploration and Production India Ltd., Tapti October 2011 |
Scope of Work : a. Site Visit and Data Collection b. Feasibility Studies for starting of important loads under Blackstart conditions. c. Hazard Analysis of the existing Blackstart equipment. d. Carry out detailed HAZID, HAZAN and Reliability, Availability, Maintainability studies. e. Voltage Dip Study f. Black start philosophy, sizing of various equipments and starting sequence. |
|
3.0 |
Petronet LNG Ltd., Bharuch (Gujarat) July 2011 |
Scope of Work : ･ a. Engineering a Grid Islanding Scheme (GIS) b. Engineering a Load Shedding Scheme (LSS) for, i. MW based Load Shedding ii. Back up under frequency based Load Shedding iii. Maximum demand based Load Shedding c. Engineer a Governor and AVR mode changeover scheme, wherever feasible. d. Preparation and submission of GIS-LSS Panel / Component specification. ･ Carry out detail Transient Stability Study to identify the PLNG's electrical system critical clearance time under extreme operating condition. ･ Work out settings of Grid Islanding and Load Shedding relay. (if any) ･ Carry out detail engineering wherever required, a. Mounting of GIS components / panel b. Wiring modification OR c. Preparation of control cable schedules if any. d. Preparation of interconnection schedules if any. |
|
2.0 |
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. |
|
1.0 |
HEG Limited, Bhopal |
Design and Providing Consultancy Services for System Study. Scope of work includes, ･ Harmonics Filter Design for Capacitor Bank : a. Advance along with order b. i. Normal operating conditions of generation and grid supply. ii. With Grid isolated and furnaces in normal operation. c. Carry out Harmonic Analysis and submit the report for the measurement carried out to identify the specific orders of harmonics, required to be mitigated. d. Based on the Harmonic Analysis report, carry out a Harmonic Filter design and submit functional specification of Harmonic filter components. ･ Event Sequence Recorder : a. Advance along with order b. Study and Identify the signals for, i. Digital input and output commands for fault indication & ii. Analogue input and output commands for parameter measurement Submit the list of above Input, Output list. c. Prepare and submit purchase specification for a suitable event sequence recorder. d. Carry out technical tender analysis for maximum 4 nos. eligible ESR vendors and submit recommendations for purchase. e. Prepare and submit, engineering drawing for, i. ESR layout ii. ESR interconnection & ii. Control cable schedules for ESR. ･ GIS & Load Flow Study for VAR Compensation : a. Advance along with order. b. Electrical system modelling and submission of Key SLD based on the data provided by HEG and data compilation to perform further studies. The key SLD shall be prepared for the purpose of this study only. c. Engineer, i. Grid islanding scheme ii. Load shedding scheme for continuous parallel operation of TG sets with the grid. d. Carry out Load Flow studies : Based on the Load Flow study results, recommend the modes of TG set AVR for MVAR generation and operation philosophy of various Capacitor Banks. e. Carry out Transient Stability study to derive the settings for various protection functions of only GIS & LSS scheme. |
Update : 22.12.11