EQUIPMENT FAMILY
Power quality & DC
Active harmonic filters, capacitor banks and substation DC supplies. Start with load measurements for compensation equipment, or the DC load and battery duty for auxiliary power.
HJ-APF Series Active Power Filter
HJ-APF active power filters compensate harmonic current, reactive power and load imbalance. Catalogue module currents range from 35 A to 300 A, with parallel expansion up to eight modules. The achievable harmonic level depends on the network, load and measurement point; agree the target and test conditions for the project.
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HJ-GZDW Series Substation DC Power System
The HJ-GZDW Series Substation DC Power System is a microcomputer-controlled DC power supply for high-voltage switchgear operation, relay protection, automation controls, and emergency lighting. It provides stable DC output with voltage and current stabilization accuracy ≤ ±1%, ripple factor ≤ 1%, and system efficiency ≥ 90%. Suitable for 12kV to 220kV substations and power plants, it operates with 3-phase 380V AC input and offers DC outputs from 24V to 220V, currents from 5A to 250A, and battery capacity up to 400Ah.
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HJ-PFC Series Automatic Capacitor Bank
The HJ-PFC Series Automatic Capacitor Bank is a microprocessor-controlled reactive power compensation system for low-voltage networks. It automatically tracks load fluctuations and switches capacitor steps to improve power factor, reduce line losses, and free transformer capacity. Suitable for industrial plants, commercial complexes, and water treatment facilities. Available in standard and custom configurations.
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Available test reports and manuals for the equipment shown on this page.
Each report identifies the tested model and configuration. Its results do not automatically apply to every product in a series. The download page explains the scope and includes the original report.