Integrated AC/DC Power Supply System

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Product Message

Integrated AC/DC Power Supply System

1. System Overview

The Integrated AC/DC Power Supply System is a comprehensive power solution that combines AC power distribution, DC operating power, inverter UPS, communication DC/DC conversion, and unified monitoring into a single complete set of equipment. By sharing a single battery bank, it effectively replaces multiple independent devices—such as traditional DC power panels, UPS, and communication power supplies—while fully complying with power industry standards.

2. Composition and Operation

The system consists of five primary components: dual AC inputs, high-frequency rectifier modules, a battery bank, multi-channel converter outputs, and an intelligent monitoring unit.

( 1 ) Normal Operation:

Under normal utility power, the rectifier modules output DC power to supply protection and communication equipment while simultaneously float-charging the battery bank. Meanwhile, the inverter outputs pure AC power for precision industrial control equipment.

( 2 ) Outage Response:

In the event of a utility power failure, the battery bank seamlessly takes over to continuously power all critical loads.

( 3 ) Protection and Maintenance:

The system is equipped with multiple protection mechanisms, including overvoltage protection, insulation monitoring, and short-circuit protection. Furthermore, the modules support hot-swapping and enable remote operation and maintenance (O&M).

3. Application Scenarios

( 1 ) Power Sector: Utilized in substations across various voltage levels, photovoltaic (PV), wind, and energy storage power stations, as well as distribution switch stations, providing power for relay protection, circuit breaker operation, and remote telecontrol monitoring.

( 2 ) Rail Transit: Installed in traction substations and subway control rooms to ensure the uninterrupted operation of signaling and dispatch systems.

( 3) Industrial and Mining: Serves as an emergency power supply for Distributed Control Systems (DCS) and safety interlocking instruments in petrochemical, coal mining, and metallurgical facilities.

( 4 ) Infrastructure and Commercial: Applicable to 5G base stations, small data centers, hospitals, comprehensive utility tunnels, airports, and ports, delivering an integrated, uninterrupted AC and DC power supply for monitoring, fire protection, automation, and communication equipment.

4. Product Customization
UPS Customizable Product Specifications

Input:AC 220V, Output: AC 220V, 1kVA‑10kVA, Backup Time: 30min‑180min

Input: AC 380V; Output: AC 220V, 1kVA‑30kVA, Backup Time: 30min‑180min

Input: AC 380V; Output: AC 380V, 1kVA‑600kVA, Backup Time: 30min‑180min

DC Panel Customizable Product Specifications

Input:AC 110V-450v, Output: DC 220V/110V/48V/24V, 7kVA‑1000kVA,

Customization available for input & output voltage, power capacity and backup duration. Besides electrical parameters, cabinet dimension, cabinet colour, cabinet material and internal components are also customizable upon customer’s requirements.

5. Model and Meaning

When placing an order, the following parameters must be explicitly specified:

· Installation type

· Incoming and outgoing wiring direction (top/bottom entry)

· Power supply type (single-phase/three-phase)

· Input/output phase count

· Backup time

· Fire protection interlocking configuration

· Number of output circuit

It would be best to provide the project drawings and technical requirements.

Keywords:

Integrated AC/DC Power Supply System