Some advantages of conducting a power system Studies.
The contact study tells us the capability of every element in an electrical system. Here throughout this study all reasonably inputs expected is delivered to the instrumentation into consideration. The results are tabulated and analyzed.
The coordination study is conducted to work out the extent of overcurrent protecting device coordination among an electrical system . A Well-engineered system can enable solely the protecting device nearest the fault to open, leaving remainder of the system undisturbed so the systems remain in service.
Arch-Flash studies analysis the results from short-circuit and coordination studies to search out the arc-flash incident energy levels. This studies are conducted beneath all conditions and every one modes of operation that the element could face.
Load flow analysis could be a numerical algorithm accustomed perceive the steady state operational characteristics of a power system network from data knowledge or bus data. Load flow Studies helps in decreasing sudden period, and it reduces opera rating and maintenance prices.
This study is mathematical technique that checks the power of a synchronous machines among an electrical system to stay in step with each other following a disturbance.
In this study, the target is to analyze the behavior of the motor that's being started and its effect on system operations. As such, the motor terminal voltage, motor beginning current and bus voltage is aforethought.
This section describes the Motor beginning study basis and results. Motor beginning studies are performed to work out the strategy of motor beginning with success whereas maintaining the voltage at the motor terminal and in different buses among acceptable limits.
Software And Standards
IEEE 141 – Recommended Practice for Electric Power Distribution and Coordination of Industrial and Commercial Power Systems
IEEE 242 – Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems
IEEE 399 – Recommended Practice for Industrial and Commercial Power System Analysis
IEEE 241 – Recommended Practice for Electric Power Systems in Commercial Buildings
IEEE 1015 – Recommended Practice for Applying Low-Voltage Circuit Breakers Used in Industrial and Commercial Power Systems.
IEEE 1584 - Guide for Performing Arc-Flash Hazard Calculations
NFPA 70E – Standard for Electrical Safety in the Workplace, latest edition
ANSI C57.12.00 – Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
ANSI C37.13 – Standard for Low Voltage AC Power Circuit Breakers Used in Enclosures
ANSI C37.010 – Standard Application Guide for AC High Voltage Circuit Breakers Rated on a Symmetrical Current Basis
ANSI C 37.41 – Standard Design Tests for High Voltage Fuses, Distribution Enclosed Single-Pole Air Switches, Fuse Disconnecting Switches and Accessories.
NFPA 70 - National Electrical Code, latest edition.
IEEE 519- IEEE Recommended Practice and Requirements for Harmonic Control in Electric Power Systems.
IEC 60909- Short-circuit currents in three-phase AC systems
EXTERRAN ENERGY FZE.
Power System Study for BASRAH NGL PROJECT
IOCL, Gujarat Refinery
Power system study for installation of 24/30 MVA, 33 KV/33 KV unit ratio transformers at substation 39 of Gujarat Refinery.
IOCL- HALDIA OIL REFINERY
West Bengal, India
Power system analysis through software modelling