MPUPC500 - 220S48 Distribution Network Automation Power - Specialized Power Supply Module
1. Performance characteristics and applicable scope
The MPUPC500-220S48 is a rechargeable modular power supply designed and manufactured by our company. This power supply features small size, high conversion efficiency, stable performance, primary and secondary side isolation, and high isolation strength. It adopts a modular metal casing, providing dust and moisture protection and strong anti-interference capabilities. The input and output terminals are easy to connect. This product has strong grid adaptability and can operate within a wide input voltage range. It also features output short-circuit protection.It features overvoltage protection and other safety functions. Additionally, this product has an intelligent charging function, capable of charging external 48V batteries, ensuring uninterrupted battery charging even during AC power outages.This power supply provides power to the load and features over-discharge protection; it displays the power status and includes a battery activation function, allowing for manual or automatic activation and maintenance via external signals. This power supply is suitable for power distribution network automation systems, intelligent power transformer substations, ring main units, and other industries requiring uninterrupted DC power supply with stringent requirements.
2. Technical parameters
Input characteristics | ||||
project | Test conditions | Minimum | Typical | Maximum |
Input voltage range (Vac) | Output full load | 165.0 | 220.0 | 265.0 |
Input voltage range (Vdc) | Output full load | 200.0 | 300.0 | 375.0 |
Frequency (Hz) | Communication input | 40 | 50 | 60 |
Output characteristics | ||||||
project | Test conditions | Minimum | Typical | Maximum | ||
Output voltage | Full range of inputs, output under normal typical load | 53.2 | 53.5 | 53.8 | ||
AC power failure, battery powered | 42.0 | -- | 53.8 | |||
Output current (A) | Full range input, excluding charging current | 0 | 5.6 | -- | ||
Full range input, transientInrush current≤10S | 0 | -- | 13.0 | |||
Ripple noise (mVp-p) | Full range of inputs, output under normal typical load | -- | -- | 400 | ||
Source effect (%) | Full range of inputs, output under normal typical load | -- | -- | ±1.0 | ||
Load effect (%) | Typical input, with load varying between 10% and 100% of normal typical load. | -- | -- | ±1.0 | ||
Battery float charge voltage (V) | Full range input,I=4.0A,IB=0.01A | 53.2 | 53.5 | 53.8 | ||
Battery constant current charging current (A) | Full range of inputs, typical load | 1.00 | 1.20 | 1.40 | ||
Battery activation completion point (V) | Full range of inputs, output under normal typical load | 44.0 | 45.0 | 46.0 | ||
Battery low voltage alarm point (V) | Full range of inputs, output under normal typical load | 44.0 | 45.0 | 46.0 | ||
Battery discharge cut-off point (V) | Full range of inputs, output under normal typical load |
|
| 44.0 | ||
Internal resistance of battery discharge circuit() | Discharge current15A | -- | 0.05 | -- | ||
Maximum discharge current of battery(A) | Discharge time ≤30S | -- | -- | 15 | ||
Activation contact contact time (s) | Remote activation start-up and exit | -- | 0.5 | 1.0 | ||
Remote battery ejection | -- | 0.5 | 1.0 | |||
Output overvoltage alarm(V) | 59.0 | 60.0 | 61.0 | |||
Output short circuit protection | AC full range input | Turn off power output and cancel automatic restart. | ||||
General characteristics | |||||||||
project | Test conditions | Minimum | Typical | Maximum | |||||
Temperature coefficient (%/℃) | Full range of inputs, output under normal typical load | -- | -- | ±0.02 | |||||
Insulation resistance (M) | Test voltage 500VDC | Input to output | 50 | -- | -- | ||||
Input to chassis | 50 | -- | -- | ||||||
Output housing | 50 | -- | -- | ||||||
efficiency(%) | AC typical input and output under normal typical load, battery fully charged | -- | 84 | -- | |||||
Isolation voltage | Leakage current 5mA, power frequency 50Hz, no breakdown or flashover in 1 minute. | Input to output | 1500Vac | ||||||
Input to chassis | 1500Vac | ||||||||
Output housing | 500Vdc | ||||||||
External dimensions (mm) | 168.0×110.0×45.0 | ||||||||
Ambient temperature (°C) | -25 | -- | +65 | ||||||
Operating casing temperature (°C) | -25 | -- | +85 | ||||||
Storage temperature (°C) | -40 | -- | +105 | ||||||
Weight (kg) | -- | 1.5 | -- | ||||||
Mean Time Between Failures (MTBF) (h) | Under room temperature conditions | 80000 | -- | -- | |||||
Note: When the ambient temperature exceeds 55°C, the module should be derated, or forced cooling methods such as air cooling or surface cooling should be adopted to ensure that the module shell temperature does not exceed 8°C.5℃.
3. Internal circuit principle of the power supply
Figure 1 Internal schematic diagram of the power supply
Figure 2 Internal isolation diagram of the power supply
4. Panel Description
Figure 3 Power Panel Description
1. Charging and operating indicator light 2. Battery discharge indicator light 3. Battery activation indicator light 4. Battery low voltage indicator light 5. Power failure (overvoltage) indicator light 6. Manual activation start button 7. Manual activation exit button 8. Manual battery insertion button 9. Manual battery eject button 10. Wiring terminals
5. Wiring Instructions
5.1Wiring diagram
Figure 4 Wiring diagram
Wiring Instructions: K1, K2, and K3 are relay contacts controlled by the user's CPU, etc. (contact capacity is not required, but optocouplers cannot be used as substitutes). The load is the user's normal load, and the battery is a 48V battery pack. The terminal block capacity is 300V/15A. See the usage instructions below for specific usage details.
5.2 Terminal Definition
Terminal number | Terminal Name | Definition | Terminal number | Terminal Name | Definition | |
1 | ACL | AC input L phase | 12 | BG | Remote battery ejection | |
2 | ON | Protective grounding | 13 | IN | Activation discharge external terminal | |
3 | ACN | AC input N phase | 14 | VG | Remote control public contact | |
4 | NC | No electrical connection | 15 | In- | Load output negative | |
5 | VC | Alarm input is positive | 16 | In- | Load output negative | |
6 | POK | Input power failure alarm output | 17 | In+ | Load output positive | |
7 | CAGE | Battery activation status output | 18 | In+ | Load output positive | |
8 | VL | Battery low voltage alarm output | 19 | B+ | Battery connection positive | |
9 | VH | Power failure alarm output | 20 | B+ | Battery connection positive | |
10 | HK | Remote activation start | 21 | B- | Battery connected to negative | |
11 | HG | Remote activation exit | 22 | B- | Battery connected to negative |
6. Instructions for Use
6.1 Power Status Indicator
Charging, green, battery charging indicator, illuminates when the battery is charging, and turns off when the battery is discharging or activating;
Discharge, red, battery discharge indicator, illuminates when the battery is discharging or activating, and turns off when the battery is charging or discharging is complete;
Activation indicator: Yellow. Light illuminates when the battery is activated; otherwise, it remains off.
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