1U Rack Mount DC Power Supply 220V AC 24V DC Dual Rectifier Power System 30A 60A Single Output
24V DC Dual Rectifier:
Dual Rectifier Systems in Telecom Power: Redundancy, Reliability, and Efficiency
1. Introduction
In mission-critical telecom and industrial applications, uninterrupted power supply is non-negotiable. Dual rectifier switching power systems have emerged as a gold standard
for 24V DC power distribution, combining redundancy, high efficiency, and scalability. This article explains how dual rectifier systems work, their advantages, and why they are
indispensable for modern infrastructure.
2. What is a Dual Rectifier System?
A dual rectifier system integrates two independent rectifier modules in parallel within a single power shelf. Each rectifier converts AC input to regulated 24V DC output while
sharing the load or operating in redundancy mode.
Key Components:
AC-DC Rectifiers: High-efficiency switching modules (e.g., 1000W/2000W units).
Controller: Manages load sharing, fault detection, and battery charging.
Hot-Swap Design: Modules can be replaced without system shutdown.
3. Why Dual Rectifiers? Key Advantages
3.1 Redundancy for Maximum Uptime
N+1 Redundancy: If one rectifier fails, the other instantly takes the full load, ensuring zero downtime.
Critical for 5G/Edge Sites: Supports always-on networks for IoT, smart cities, and real-time communication.
3.2 High Efficiency and Energy Savings
Advanced Switching Topology: >95% efficiency (e.g., LLC resonant conversion).
Dynamic Load Sharing: Optimizes power distribution between rectifiers to minimize losses.
Example:
A 10kW dual-rectifier system saves 500+ kWh/year compared to legacy linear systems.
3.3 Scalability and Flexibility
Modular Design: Add rectifiers as power demands grow (e.g., from 3kW to 30kW).
Wide Input Range: Supports 90–300V AC, ideal for unstable grids in emerging markets.
4.Dual Rectifier 24V DC
EVSPOWER Dual Rectifier Information
1.wide voltage input range: 80 ~ 300Vac/100-400Vdc, suitable for all countries in the world of power grid input;
2. the system has high power factor greater than 0.98;
3. there are input under voltage, input voltage, output voltage, output current limiting, output short circuit, over temperature protection;
4.Small size, height 1U, 2*24V30A rectifier module
5.Configurable module: 10A, 15A, 20A, 30A for option
6.The standard 19-inch installation
7. SNMP controller and management and battery management
8.Provide RS485 Modbus SNMP communication interface
9.Module anti-theft function
10. Battery anti-reverse function
11. Input current detection
12.Support hot-swappable
13. The energy-saving sleep function
14. The independent design of lightning protection unit (optional)
15. The power supply can be installed in any 19-inch rack independently
EVS 24V DC Dual Rectifier Application
* Small scale program controlled exchanges
* Access network
* Transmission equipment
* Mobile communication
* Satellite communication ground station
* Microwave communication
5. 24V DC Dual Rectifier Configuration
Optional configuration | Rectifier module | Module max | Distribution | Monitoring | Remark |
Configuration | 30A | 1-2pcs | AC distribution: AC220V input, Load output:30A-60A | Monitor |
6.24V DC Dual Rectifier work principle
7.DC Power system performance index
Input | |||||
Parameter
| Min. | Rated | Max. | Unit | Note |
Rated working voltage range | 110/220 | Vac | |||
Input voltage range | 90 | 220 | 290 | Vac | Three-phase five-wire input phase to phase 380V / relative zero line 220VAC |
Input frequency
| 43 | 50 | 67 | Hz | |
Battery input | 21 | 26.8 | 29 | Vdc | Battery pack’s positive and negative in parallel with DC output of rectifier module (polarity consistent) |
Output | |||||
Parameter | Min. | Rated | Max. | Unit | Note |
Output voltage range | 21 | 26.8 | 29 | Vdc | |
Output current range (max.current) | 0 | 60 | A | Input 170 ~ 285VAC, when the input voltage is below 170VAC, output at derating manner. | |
Regulation accuracy | ±1 | % | |||
Load regulation | ±1 | % | |||
Source regulation | ±1 | % | |||
Current sharing regulation | ±5 | % | |||
Ripple ( peak – peak value) | 200 | mv | Network 20MHz testing. | ||
Output efficiency | 91 | 93 | % | 220Vac Input |
8,Mechanical Properties:
482.6mm(W)×270mm(D)×43.6mm(H)