VFD 7.5KW Solar Pump inverter CHF100A solar water pumping system

1. INTRODUCTION

1.1 Technology Features

● Input & Output

♦ Input Voltage Range: 380/220V±15%

♦ Input Frequency Range: 47~63Hz

♦ Output Voltage Range: 0~rated input voltage

♦ Output Frequency Range: 0~400Hz

● I/O Features

♦ Programmable Digital Input: Provide 7 terminals which can support ON-OFF inputs, 1 terminal which can support high speed pulse input and support PNP, NPN

♦ Programmable Analog Input: AI1 can accept input of -10V ~10V, AI2 can accept input of 0~10V or 0~20mA.

♦ Programmable Open Collector Output: Provide 1 output terminal (open collector output)

♦ Relay Output: Provide 2 output terminals

♦ Analog Output: Provide 2 output terminal, whose output scope can be 0/4~20 mA or 0~10 V, as chosen.

● Main Control Function

♦ Control Mode: V/F control, Sensorless Vector Control (SVC)

♦ Overload Capacity: 60s with 150% of rated current, 10s with 180% of rated current.

♦ Speed Adjusting Range: 1:100 (SVC)

♦ Carrier Frequency: 1 kHz ~15.0 kHz.

♦ Frequency reference source: keypad, analog input, HDI, serial communication, multi-step speed, simple PLC and PID. The combination of multi- modes and the switch between different modes can be realized.

♦ PID Control Function

♦ Simple PLC, Multi-Steps Speed Control Function: 16 steps speed can be set.

♦ Traverse Control Function

♦ None-Stop when instantaneous power off

♦ Speed Trace Function: Smoothly start the running motor.

♦ QUICK/JOG Key: User defined shortcut key can be realized.

♦ Automatic Voltage Regulation Function (AVR):

♦ Automatically keep the output voltage stable when input voltage fluctuating

♦ Up to 25 fault protections:

♦ Protect from over current, over voltage, under voltage, over temperature, phase failure, over load etc