48VDC Off Grid Solar Power System 48V 50A Telecom Rectifier
5G 4G telecom station -48VDC Solar Power System
Power plant or substation power for controlling, protection and automatic device, emergency lighting, communications, steam turbine DC oil pump and so on independent DC systems. It can provide reliable power supply in the case of a power failure completely in plant or substation. The traditional DC systems connect battery pack and run with float charging mode. The new DC system run with silicon controlled rectifying power supply for battery.
Key Features:
1.Adopt advanced MCU microprocessor control technology.
2.Advanced MPPT Technology,High converting efficiency higher than 97% for minimizing energy loss.
3.Reversed current protection at night, over voltage and reverse polarity protection.
4.Capable of selecting different charging mode for various types of batteries.
5.Protection degree:IP55.
6.Industy-leading power density compact size and high reliability.
7.Doorframe designed with waterproof structure, posted on the seal and equipped with waterproof lock on the door double insulation design.
8.Cabine adopt quality galvanized sheet or aluminum coated steel sheet as material, surface coating anti-UV power.
9.Suitable for outdoor installation.
Fine dust-proof, water-proof features
According to the overall standard of design dust-proof and water-proof Ip55
1.With sun protection, heat insulation, roof ventilation
2.With waterproof and the filtration dust inlet, the cabinet front door shutters.
Product Descriptions of Solar DC Power Supply
| INPUT | |
| MPPT Range @Operating Voltage | 60 ~115VDC |
| Maximum PV Array Open Circuit Voltage | 145VDC |
| Maximum PV Array Power | 3000W |
| OUTPUT | |
| Nominal Battery Voltage | 42-58VDC |
| Maximum Charge Current | 50A |
| Maximum Efficiency | 98% |
| Charging Method | Three stages: bulk, absorption and floating |
| PROTECTION | |
| Overload Protection | > 110% : audible alarm |
| Overcharge Protection | Yes |
| Polarity Reversal Protection @Solar Cell & Battery | Yes |
| INDICATORS | |
| LCD Panel | LCD panel indicating solar power, load level, battery voltage/capacity, charging current, and fault conditions |
| LED Display | Three indicators for solar, charging, and load status |
| Rectifier Module | |
| Rated Input Voltage | 220V |
| AC Input Voltage Range | 90-290V |
| AC Input Frequency Range | 45-65HZ |
| Power Factor | ≥0.99 |
| Efficiency | >92% |
| Rated Output Voltage | -48V |
| Rated Output Current | 0-50A |
| Voltage Range | 42-58V |
| ENVIRONMENT | |
| Humidity | 0 ~ 100% RH (No condensing) |
| Operating Temperature | -20°C to 55°C |
| Storage Temperature | -40°C to 75°C |
| Altitude | 0 ~ 3000m |
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