Electrical & Instrumentation
- 1.0 SPECIALISATION IN ELECTRICAL FIELD IN ENGINEERING AND CONTRACTING WITH PROJECT JOB.
- 2.0 PLANT OPERATIONS AND MAINTENANCE / TROUBLE SHOOTING
- 3.0 LUMPSUM TURNKEY CONTRACTS.
- 4.0 ANNUAL MAINTENANCE CONTRACTS FOR ELECTRICAL
- 5.0 TESTING & COMMISSIONING OF ALL TYPE HT/LT PANEL AND ALL TYPES RELAY AND BREAKRES AND TRANSFORMER, SWITCHYARD UP TO 400 KV.
- 6.0 DEPUTING SITE ENGINEERS, CONTRUCTION ENGINEERS, SKILLED ELECTRICIAN
ENGINEERING SERVICE
ELECTRICAL POWER SYSTEM STUDY
Study of existing protection system of plant, suggestions and renovations for plant betterment.
Recommendations for renovation and revamping switchgears, protective relay and protective schemes.
FAULT LEVEL AND SHORT CIRCUIT CALCULATIONS
Verification of authenticity of existing switchgear rating as per the, system operating conditions of the plant.
Fault level calculations can from a guideline for feasibility of existing switchgear for further expansion programmers.
RELAY CO-ORDINATION AND RELAY SETTINGS
Recommendation of over current and Earth Fault relay settings to achieve proper grading of over current relays and to avoid frequent mal-operation problems if any.
Recommendation for unit protection relay settings based on the equipment data sheets and the protection functions of the existing unit protection relay.
Recommendations for the change of the type of the existing relay if found improper as per the standard applications.
The non- availability of the in-evitable protections necessary as per the standard application of protection for particular electrical equipment is highlighted along with the consequences.
Physical setting of the relay as per the settings recommended in the report.
ENGINEERING OF PROTECTIVE RELAYING SCHEMES
Restricted Earth Fault (REF) Protection scheme for Transformers.
Bus Bar Differential protection schemes.
Transformer and Generator Differential Protection schemes.
Protective Relaying scheme for Generator as well as for Parallel operation of Generator with Grid or parallel operation of Generators.
Load Shedding Schemes for prevention of the collapse of in-plant generation under overload condition.
Modification of HT panel having time limit shunt fuse system into protective relays.
ERECTION, TESTING AND COMMISSIONING SERVICES
OUT DOOR SWITCHYARD ETC WORK
Pre- commissioning tests for outdoor switchyard equipments (Complete package) like Power and distribution transformer, circuit breaker, CT, PT, NGR, Lightning arrestor, insulator, isolator, Earthing installations equipment as per the design and requirement of system.
DISTRIBUTION SYSTEM ETC WORK
Pre-commissioning tests for electrical distribution system like HT Switchgears, LT switchgear, Motor control centers, Distribution Transformer, HT/LT bus duct, HT cable, HT/LT Motor ,etc of different make like Siemens, ABB, JYOTI, L&T, CG ALSTOM Etc.
PROTECTIVE RELAYING SCHEMES
The under listed protection schemes are completely checked and simulated its sensitivity for in – zone fault and stability for fault external to the zone of protection.
Generator Differential Protection scheme.
Simulation of Generator protective Relaying.
Bus bar Differential Protection Scheme.
Restricted Earth fault Protection Scheme for transformers.
Transformer Differential protection scheme.
Directional over current and earth fault relaying scheme.
PLANT BETTEREMENT AND MAINTENANCE SERVICES
RETROFITTING SERVICES
System study of electrical power distribution system for its performance reliability and efficiency and remedies for betterment of the same by modification renovation and revamping.
Modification renovation and revamping of LT and HT Switchgear Panel.
MAINTENANCE SERVICES
Preventive maintenance and testing of outdoor switchyard electrical system equipment.
Maintenance, overhauling and testing of HT indoor switchgear as well as LT switchgear
. Annual Maintenance of complete electrical switchgear and protection system as a package contract.
SPECILISED SERVICES ON SIEMENS AND L&T
We offers round the clock services on SIEMENS And L&T Product. Testing-Commissioning Siemens And L&T Switchgear And Protective Relay.
Maintenance And Servicing HT/LT circuit Breakers. Health Check-Up of Siemens And L&T HT/LT Switchgear Panel. Maintenance of EHV Breakers Up To 400 KV.
Trouble Shooting Services for Siemens and L&T Switchgear and Protective Relay Like malfunctioning of protective scheme, unwanted tripping of feeders, malfunctioning of protective relay.
Retrofitting services to replace existing obsolete switchgear and Protection system by Siemens Switchgear And Protection Systems to keep pace with the latest technology.