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- TSF Type / CJK2W type / CLN-type low-voltage dynamic reactive power compensation device capacitor filter
- TSF-type low-voltage dynamic reactive power compensation device capacitor filter
Overview With the wide application of power electronics technology, modern industrial and mining enterprises of the non-linear loads generate high harmonics into the power system. Waveform distortion caused by the supply voltage to reduce power quality, produce electricity pollution, accelerate the damage to electrical equipment business. Low-pressure system high harmonics generated mainly by the following equipment:
◆ intermediate frequency electric furnace
◆ DC transmission equipment (mill, elevator, etc.)
◆ electric welding equipment
◆ Inverter
◆ rectifier electrolysis equipment
◆ energy-saving lights and appliances
The presence of high harmonics, so that increased consumption of electrical equipment, temperature, insulation aging, shorten equipment life; high harmonics interfere with the communication system; on the protected device generates electronic malfunction; increase the measurement error; of equipment normal operation. Higher harmonics may be unreasonable because of the configuration of capacitors caused by the harmonics amplified, and even parallel resonance, for damage to electrical equipment; or amplification of harmonic currents into the capacitor, the capacitor overload and failure. Install Power Filter can effectively absorb the high harmonics, improve power quality, improve power factor, energy conservation, reduce losses, reduce the load for the electrical equipment, to obtain significant economic benefits.
■ Uses:
For 380V, 525V, 660V, 750V, three-phase AC power system frequency, used to absorb or suppress high harmonic currents and to improve and enhance the power factor, reduce line losses.
■ Main Technical Performance:
◆ The total distortion of the user and the user voltage power system harmonic currents injected into line with GB/T14549-93 "utility grid harmonic power quality" requirements
◆ Power factor greater than 0.90, or meet user requirements
◆ device allows 7.1 times rated voltage or 1.3 times the rated current, long-term ◆ device according to the system power factor, reactive power flow or rate of automatic cut filter branch, reliability, stability
◆ high degree of automation, easy operation
◆ mutation sites for load fast thyristor can choose the filter with the load switching device, dynamic, fast response time
■ composition of the device
Low-voltage reactive power compensation controller, thyristor switches or special contacts, vacuum contactor, combined switch, filter capacitor, filter reactors, voltage transformer, zinc oxide surge arresters, current transformers
■ protection of the device, trip current protection, over current protection.
■ features and overall dimensions of the structure
◆ device from the control cabinet and filter cabinets, each filter branch by the filter capacitor and filter reactor and other components, can be installed in the filter cabinet. Using hollow-core filter reactor, side can be installed outside the cabinet.
◆ Single Cabinet Dimensions