GGJ Low-Voltage Reactive Power Intelligent Compensation Device
Power Quality and DC Systems
View specifications
Power Quality and DC Systems
Model GZDW
A microcomputer-controlled DC power supply cabinet for switchgear operation, relay protection, automatic control and signaling in power plants and substations. Discuss the required DC voltage, load, battery configuration and monitoring functions.
Share your rated data, quantity and project requirements.
View this model in our 2026 catalog ↗
GZDW DC power supply cabinet is used as a DC supply for high-voltage switch opening and closing, relay protection, automatic control, emergency lighting, lighting, and audio. It is commonly used for power plants and substations and relay protection and automatic control systems, with the final selection based on rated data, drawings, and site conditions.
utilities, EPC companies, substation contractors, industrial plant engineers, and electrical panel buyers can request configuration review for dc power supply cabinet. Please send DC output voltage, DC output current, battery capacity, charger cabinet layout, feed cabinet layout, battery cabinet layout, outline dimension, cabinet color, and wiring diagram, quantity, destination, and any project standard requirements for quotation.

| Group | Item | Unit | Parameter |
|---|---|---|---|
| Input power supply voltage | V, Hz | Three-phase AC 380 +/-10%, 50 Hz +/-5% | |
| Rated output DC voltage | V | 24 / 48 / 110 / 220 | |
| Rated output DC current | A | 5 / 8 / 10 / 15 / 20 / 30 / 40 / 50 / 80 / 100 / 150 / 200 / 250 / 300 / 350 / 400 | |
| Rated capacity of battery | Ah | 10 / 20 / 38 / 40 / 50 / 60 / 65 / 80 / 100 / 150 / 200 / 250 / 300 / 400 / 500 / 600 / 800 / 1000 | |
| Output DC current regulation range | of rated value | ||
| Voltage stabilization accuracy | < +/-0.5% | ||
| Stabilized current precision | < +/-0.5% | ||
| Ripple factor | < 0.1% | ||
| Machine noise | dB | < 55 | |
| Main transformer temperature rise | degC | < 70 | |
| Way of working | Continuous work | ||
| Efficiency | >90% | ||
| Protection grade | IP20 / IP30 |
