1. Product introduction
ATC series intelligent high frequency switch charging module is the third generation of high power supply module developed, designed and produced by our company specially for power DC system. It adopts international advanced soft switching technology, compact structure, small size, built-in CPU, and has the advantages of high intelligence, high efficiency and high reliability. All performance indicators meet and exceed DL/T459-2000 standards, is the power DC operating power equipment.
2. Technical parameters
1) Overall size: 90×229×413
2) Weight: 8.7Kg
3) AC input voltage: 380V (-15%, + 20%)
4) AC input frequency: 50Hz±10%
5) AC input current: ≤6A
6) Overall efficiency: 94%
7) Nominal output voltage: 220V
8) Output voltage adjustable range: 176 ~ 286V
9) Nominal output current: 10A
10) Output current limit: 5 ~ rated current
11) Stability accuracy: ±0.5%
12) Ripple coefficient: ±0.1% (effective value), ±0.5% (peak-to-peak value)
13) DC output voltage limiting value: 290V
14) DC output current limit: 10.0A
15) Reliability index: MTBF≥100000 hours
16) Noise: ≤55dB
17) Insulation resistance: ≥10MΩ
18) Insulation strength: AC 2kV, 50Hz, 1min; AC 2.5kV, 50Hz, 1min (output to ground, input to output
Input to ground)
19) Cooling mode: air cooling (temperature control speed regulation)
3. Functional features
1) Soft switching technology
The charging module is the third generation of intelligent high frequency switch charging module developed by our company. It adopts the soft switching technology of phase shift full bridge zero voltage pulse width control. The switching tube is zero voltage and zero current switch without voltage and current overrush or peak, which has ideal soft switching characteristics. Compared with the hard switch, the switching loss of the soft switch charging module is reduced by 40%, which brings the following obvious advantages to the charging module:
① The efficiency of the whole machine is improved, which greatly reduces the temperature rise of the charging module under the same working environment.
(2) Because there is no voltage and current overrush or peak, the electrical stress of the power switching device is small, and the reliability of the power switching device is improved.
③ Because of the decrease of voltage change rate (dv/dt) and current change rate (di/dt), the electromagnetic interference of the charging module is obviously reduced and the electricity is increased
Magnetic compatibility.
2) Intelligent module
The built-in CPU of the charging module coordinates the operation and protection of the management module, and accepts the control of the upper computer through the digital communication mode of electrical isolation. Its advantages are:
① Digital communication interface with photoelectric isolation has electrical isolation ability, can withstand the voltage impact of 2000V outside.
(2) The instructions received by the module are digital signals. Only when it receives the instructions in line with the communication protocol, it will execute the corresponding operation. Any illegal instructions caused by interference will not be received, and will not cause the module to misact.
③ When a module is faulty, the faulty module automatically exits without affecting the normal running of the system.
(4) The intelligent module can monitor the work of the centralized monitor. When the centralized monitor fails, it can manually control each charging module to realize the voltage and current setting.
⑤ The monitoring of intelligent module adopts decentralized control mode.
