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Technical specification sheet; Note: Voltage grade selection comparison table (please contact our company for data not listed) · Executive standard: IEC60871: 1997 "Shunt Capacitor for AC Power System with Nominal Voltage Above 1kV" IEC61642: 1997 "Application of Filters and Shunt Capacitors in Industrial AC Networks Affected by Harmonics
6 Frequently Asked Questions about “Technical Specifications for Shunt Capacitor Installation”
What is included in the shunt power capacitor guide?
Included are guidelines for the application, protection, and ratings of equipment for the improved safety and reliability in the utilization of shunt power capacitors. The guide is general and intended to be basic and supplemental to specific recommendations of the manufacturer.
What is a shunt power capacitor?
Shunt power capacitors are frequently used to improve the power factor of circuits or industrial power systems with a large induction motor load since the power factor of large motors running at full load ranges from 0.60 to 0.95 lagging depending upon motor design. Under-loaded or lightly loaded motors operate at significantly lower power factors.
Which standard is acceptable for Lt shunt capacitor?
LT shunt capacitor meeting any other authoritative standard which ensure equal or better quality than standard mentioned above will also be acceptable but in such cases, a copy of standard (English version) adopted, should be enclosed with the tender. -10 Deg. C to +50 Deg. C
When do you need a shunt power capacitor?
Shunt power capacitors are required when acceptable system voltages cannot be maintained by the generators and transmission system alone. During system contingencies, when parts of the transmission system are unavailable, increased loading on the remaining system causes additional voltage drop.
What is a shunt capacitor bank?
shunt capacitor bank: An assembly at one location of capacitor(s) and all necessary accessories, such as switching equipment, protective equipment, controls, etc., required for a complete operating installation. It may be a collection of components assembled at the operating site or may include one or more pieces of factory-assembled equipment.
Should a shunt power capacitor bank be energized?
The transient inrush/discharge capability of the capacitors and the switching device should be considered. The energization of a shunt power capacitor bank may subject other system equipment to excessive phase-to-phase overvoltages, especially delta-connected transformers .