SCPS-FCI-30-25The voltage regulating charging power supply for low-voltage branch monitoring terminals is based onGeneral Technical Specification Requirements for State Grid Corporation of Chinaresearch and developmentProductive, withSpecialized sealing module for independent supercapacitorsreservePower Supply,Adopting advanced technologyPWMThe technology and stable and reliable circuit topology structure have the characteristics of light weight, high efficiency, wide working temperature range, strong anti-interference ability, strong grid adaptability, fast dynamic response, high stability, small noise ripple, and strong protection function.This productAlso applicable toOther items that require backup power supplyPower distribution equipment.

Rated parameter requirements:

1Power supply input requirements

a) Rated AC input voltage:AC220V；

b) Input voltage fluctuation range: -20%～+90%；

c) The waveform of the AC power supply is a sine wave;

d) The nominal frequency of the AC power supply is50HzThe frequency variation range does not exceed ±5%；

2Power output technical parameters

a) Rated output voltage: DC25.2V；

b) Rated output current: DC1.2A；

c) Voltage stabilization accuracy: ≤±1%；

d) Ripple factor: ≤1%；

e) Voltage regulation rate: ≤±0.5%；

f) Load adjustment rate:≤±1%；

g) Operating efficiency under rated conditions: Pout/Sin≥73%；

3Backup power supply

a) The backup power supply adopts supercapacitors;

b) When there is electricity in the communication input, the power output not only supplies power to the system, but also charges the backup energy storage capacitor;

c)The backup power supply can automatically and seamlessly switch on when the main power supply is insufficient or disappears, ensuring stable output voltage;

d)Maximum energy storage capacity of supercapacitors: ≥3000J；

e)Charging power: ≤12W；

f)Supercapacitors charge from zero voltage to full voltage:≤5minute;

g)The backup power supply ensures stable operation time at rated output power: ≥1minute;

h)Supercapacitors are independent sealed modules with independent installation space, with a lifespan of:≥8Year;

4 Appearance parameters

a) Weight: Approximately 1.2kg

b) Size: 204mm * 120mm * 55mm