Frequency converter is an AC strength machine that converts the electricity provide to different frequencies. In the late 1980s, China started out to use frequency converter. Because of its energy-saving impact and ultimate performance, the use of frequency converter continues to upward jab in China, and it additionally performs a very vital position in the transformation of normal industry, the enchancment of system flow, the enchancment of automation level, electricity saving and so on

Specification

VFD type	HZ800SF	HZ300A	HZ800
Drive control mode	VF/ Current closed loop Vector/velocity closed loop vector	VF/ Current closed loop vector	VF/ Current closed loop Vector/velocity closed loop vector
Same power Starting torquecomparison	★★★★★	★★★★	★★★★★
Torque control	√	√	√
Shell color	Brown	Black	Black
Power range	Three-phase 380V: 0.75 kw ~ 110 kw	Single-phase 220V: 0.4 kw ~ 75 kw Three-phase 380V: 0.75 kw ~710 kw	Single-phase 220V: 0.4 kw ~ 75 kw Three-phase 380V: 0.75 kw ~710 kw
Operating keyboard	Dual row display/LCD Shuttle potentiometer	Single row display Adjustable potentiometer	Single row display Adjustable potentiometer
Synchronization rate volume	★★★	★★★★	★★★★
Multifunction input Number of terminals	8	8	8
Analog quantity Input quantity	2	2	2
Analog quantity Output quantity	2	2	2
Relay Output quantity	2	2	2
485 communication	√	√	√
Module/single tube	Module	Module	Module
An external expansion card is connected	X	X	Support expansion card (PG/IO)

Application

The essential cause of the frequency converter is that the frequency conversion governor controls the velocity of the motor.

We convert the voltage and frequency constant alternating present day into voltage or frequency variable alternating modern machine referred to as frequency converter, short-circuit protection, phase-to-phase short-circuit protection, enter segment protection, output segment protection, overvoltage protection, undervoltage protection, temperature safety enter and output reverse connection protection, manipulate motor beginning current, So if you choose to alternate the pace of the AC motor to alternate the frequency of electricity, you can speed up the feature is controllable.