HVCS
Series High Voltage Reactive Power
Centralized Compensation Device
Rated Voltage: 3-35kv
Rated Frequency: 50/60HZ
Function:Compensate system reactive power, improve system power factor, save energy, stable grid voltage, reduce line loss.
Application: Metallurgy, mining, building materials, petrochemical, water supply and drainage.
Installation: indoor/outdoor
Excellent configuration: High voltage power capacitor with advanced technology and full film medium, with high discharge starting voltage, good sealing performance, high reliability, long life, small loss, low operating temperature rise, low failure rate; The remaining voltage can be reduced to less than 75V within 10min after the capacitor is off the grid. The external discharge coil can be reduced to less than 50V within 5s.
Perfect protection: high voltage spray by type fuse or current limiting fuse is used as internal fault or short circuit protection for single capacitor, or internal fuse capacitor is directly used to ensure the safety of equipment operation.
Equipped with high voltage live display device, electromagnetic lock and observation window, with forced locking function, to ensure the personal safety of maintenance
Personnel customized services: reasonable structure design, easy to use, generally can be used in the following two structural schemes: one is cabinet structure, the other is frame structure, other special types can be customized according to user requirements
Longer service life: according to the actual working conditions of users, dry series iron core or hollow reactor with appropriate reactance rate is configured to inhibit high harmonics or limit the closing inrush current, effectively extending the service life of the device.
SWCP intelligent reactive power compensation monitoring device is standard equipped with self-developed intelligent reactive power compensation monitoring device to realize capacitor unbalance and other protection, and SPQ power quality online monitoring installation can be configured to provide real-time capacitor operation parameter protection in flexible and diverse ways.
The circuit scheme generally adopts single star or double star connection mode, and the protection mode mainly includes three kinds: open triangle voltage, differential voltage and unbalance current at neutral point.
The open triangle voltage protection is not affected by the system voltage unbalance and third harmonics, and has high sensitivity. It is a common protection method for small and medium capacity capacitor banks (20Mvar and below). Differential voltage protection is not affected by system grounding fault, system voltage imbalance, sensitive action, according to the action indication can judge the fault phase, mainly used in 35kV system, capacity does not exceed 20Mvar; Double star neutral unbalanced current protection is not affected by the outside world when the three-phase two-arm capacitance is equalized. It is generally applied to 10kV and 35kV capacitor banks with voltage levels below 20Mvar.
HVCR Single-phase capacitor type wiring diagram
HVCS Single star wiring diagram
HVCA Typical wiring diagram
| Device class |
device type |
installtion places |
voltage level |
installation way |
switching type |
|
| Local Compensation |
HVC(R) |
electric equipment side |
3~10kv |
cabinet |
single set sw itching |
| Centralized compensation |
HVCS |
power distribution system bus bar |
3~110kv |
cabinet or frame type |
single set switching or multi
switching |
| Auto compensation |
HVCA |
Distribution system bus bar |
3~35kv |
cabinet |
automatic single set or multi
switching |
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