‹ Distribution Boards
GZDW
DC power panel
220 / 110 V DC · N+1 modules · RS232 / 485
GZDW is Zhenxiang's DC panel for the operating power of switchgear, protection relays and automation in substations, power plants, electrified rail and high-rise buildings. It is an unattended system built from monitoring, rectifier, insulation-monitoring, switching-quantity and step-down modules.
Tested and certified
Type-tested to the standards listed below.
Built for
Substation control power, Generating plant, Rail traction substations.
Standards
DL/T 459, GB/T 19826.
Technical data
| Parameter | Value |
|---|---|
| Nominal output voltage | 220 V DC or 110 V DC |
| Rectifier modules | High-frequency switch-mode, N+1 hot backup, hot-swappable; current sharing within ±3 % |
| Battery | Dual battery banks (×2); automatic charge management with temperature compensation |
| AC input | Two AC inputs with automatic changeover; wide voltage window |
| Monitoring | LCD or touch screen; telemetry, remote control, remote signalling, remote adjustment |
| Protection | Over / under-voltage, over-temperature and fault alarms; lightning protection; branch insulation monitoring |
| Communication | RS232 and RS485; RTU, CDT or Modbus |
| Cabinet | F split-screen or Y integrated cabinet |
Standards
- DL/T 459
- GB/T 19826
Applications
- Substation control power
- Generating plant
- Rail traction substations
Production process
From enquiry to commissioning
- Enquiry and analysisSend a single-line diagram, load list or panel schedule. An engineer confirms voltage, short-circuit level, forms of separation and applicable standards within 24 hours.
- Proposal and drawingsBudgetary quotation in five working days, then general-arrangement drawings, busbar sizing and a bill of materials for approval.
- Order and engineeringApproved drawings release procurement of Schneider, ABB or specified components and sheet-metal programming.
- Fabrication and assemblyLaser cutting, CNC bending, powder coating, busbar processing, primary assembly and secondary wiring in Shaoshan.
- Factory acceptance testDielectric, loop-resistance, insulation, earth-continuity, IP and current-injection tests; customers and consultants welcome to witness.
- Delivery and after-salesExport packing, sea or air freight, commissioning support and a 7×24 service line with Schneider-trained engineers.
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Quote this product
Send the single-line diagram, short-circuit level and panel schedule; a budgetary quotation follows within five working days.