Product Name: solar cell analog power supply
Product model: dcr21-60100c
1、 Introduction
Solar cell analog power supply is a new high-tech product developed by our company according to the demand of solar photovoltaic industry. Solar cell analog power supply can simulate the real transmission of solar photovoltaic modules

According to the four parameters of the photovoltaic module, it can automatically simulate the PV curve of the photovoltaic module, which is widely used in solar cell characteristic simulation, research and development, debugging, aging and other aspects of the solar grid connected inverter.

2、 The voltage power curve is as follows:

1. Applicable specifications: IEC61215, UL1703 and other performance requirements for DC power supply;



2. The user-friendly operation interface of the machine and the super compatible software of the upper computer are very convenient for the operation of the staff;



3. Control mode: local setting, RS485 / 232 upper computer management software operation. It can be controlled to switch the output mode and set the output.



4. The input is equipped with a soft start control device to effectively reduce the start-up impulse current;



5. High input power factor: ≥ 0.85; (rated input, output, under rated load);



6. High efficiency of the whole machine: efficiency ≥ 80%; (rated input and output, 20% - 100% load condition);



7. Low no-load power consumption: ≤ 15kw (rated input, no-load output);



8. The machine is equipped with near / remote control, which is convenient for users to monitor the power output in real time;



9. Protection function: output current limit, voltage limit, over-voltage, over-current, short circuit protection, equipment overheating, input phase loss protection;



10. Shutdown self discharge function: within 30 seconds after shutdown, the internal circuit voltage drops to safety voltage;



11. The output voltage current curve can be controlled, that is, the output I-V curve is programmable (required).

input

1. Voltage: three phase AC380V ± 10%;



2. Frequency: 50Hz / 60Hz ± 10%;





output



1. Constant pressure setting range: 0-1000v;



2. Constant current setting range: 0-100A;



3. Automatic switch of steady voltage and current;



4. Voltage stabilization accuracy:



Source effect ≤ 0.1% (output rating) (change rate of output voltage caused by ± 10% change of input power voltage);



Load effect ≤ 0.5% (change rate of output voltage caused by change of output current from zero to rated value);



5. Current stabilization accuracy:



Source effect ≤ 0.1% (output rating) (change rate of output voltage caused by ± 10% change of input power voltage);



Load effect ≤ 0.5% (change rate of output voltage caused by change of output current from zero to rated value);



6. Output ripple: ≤ 0.1% VRMs (output rating);



7. Display mode: LCD display;



8. Setting mode: communication interface RS485 / 232 setting or key setting;



9. Display resolution: voltage 0.1V, current 0.1A;



10. Battery characteristics simulation:



It has the functions of voltage and current stabilizing output mode and curve output mode selection. Under the curve operation mode, it adopts the open circuit voltage and short circuit current setting mode to output, automatically generates the maximum arbitrary power point within the power output setting range, automatically saves the set curve according to the needs, and three sets of curves preset by the manufacturer are saved in the power supply, which is convenient for the operation of the production personnel;



11. Protection mode: input phase loss, overvoltage and undervoltage; output current limit, voltage limit, overcurrent, short circuit, overvoltage, overload protection;



12. Working mode: continuous working at full load for a long time;



13. Time drift: ≤ 0.5% of rated value (change rate of output voltage caused by continuous working time of power supply greater than 8 hours);



14. Temperature drift: ≤ 0.05% rated value / ℃ (change rate of output voltage caused by the change of ambient temperature within the range of ambient temperature used by the power supply);



15. Boundary dimension: 526 w * 800 h * 700 D