High-Voltage Reactive Power Compensation Control Cabinet
Product Overview
It is mainly used for users with non-linear loads in power grids, such as industrial fields with power electronic equipment including rectification, variable frequency speed regulation, medium-frequency heating, metallurgical electrolysis and chemical electrolysis; transportation fields such as electrified railways, subways and trolleybuses; broadcasting, postal services, communications, and IT industry fields sensitive to harmonic interference; as well as exhibition centers and commercial buildings with strict requirements on power quality. It is widely applied in places and industries including electric power, automobile, metallurgy, machinery manufacturing, chemical industry, papermaking, coal, shipbuilding, communication, airports, large venues and high-rise buildings.
Application Fields
Rated Voltage: 6-35KV
Rated Frequency: 50HZ
Power Factor: COSφ≥0.9
Capacitor Switching Mode: Vacuum circuit breaker or vacuum contactor
Protection Functions: Overvoltage, undervoltage, time-limited instantaneous trip, overcurrent, neutral point voltage (or current) unbalance protection; for a single capacitor, in addition to internal fuse protection, external fuse protection is also equipped.
Measurement Circuit: Three-phase voltage, current and power factor (or reactive power)
Maximum Allowable Overvoltage: 100% rated voltage; Maximum Allowable Overcurrent: 130% rated current
Structural Features
Service Environment: Ambient Temperature: -25°C ~ +45°C
Altitude: Not exceeding 1000 meters (other requirements shall be specified when placing an order)
Relative Humidity: Not exceeding 85%
Installation Site: Free from severe mechanical vibration; free from harmful gases and vapors; free from conductive or explosive dust
Maximum Operating Voltage: Shall not exceed 110% of the rated voltage
Maximum Operating Current: Shall not exceed 1.3 times of the rated current
