China Chziri Frequency Inverter Converter Frequency Regulator Transducer- Zvf300 30kw

ZVF300 Series Frequency Inverter is new product in ZIRI Company.
ZVF300 series frequency inverter applied at the metallurgy, plastomer, textile, food-stuff, petroleum, chemical industry, paper-making, pharmacy, printing, building material, crane and all kinds of machine equipment. As AC asynchronous motor's driving and speed control.
ZVF300 Series frequency inverters are high performance open loop vector inverters for controlling asynchronous AC induction motors and permanent synchronous motors.
ItemItem DescriptionControl FunctionAutomatic energy-saving operationAuto optimize V/F curve according to the load changes to realize the energy saving operation.Auto voltage regulation(AVR)When the network voltage changes, it can regulate PWM output automatically to maintain constant voltage.Built-in PIDThis can form a convenient closed-loop control system (CLCS)and is applicable to pressure control, flow control and other process control .Operation FunctionOperating commandOperation panel control ,external terminal control and COM controlFrequency settingKeypad potentiometer setting , operation panel UP ,DOWN setting,. external terminal UP/DOWN setting, analog voltage signal or external potentiometer setting , analog current signal setting .terminal combination setting ,485 COM setting and so on.Input SignalForward/Reverse signalmulti-speed signal fault signal
reset signal etc.Output signalProgrammable relayopen collector output Fault signal output.Multi-function analog and digital output terminalThis can realize the output of frequency current and other physical quantity by output 0-10V or 0-20mA DC signal and 0-10KHz digital signal output.Braking functionDynamic brakingWith an external braking resistor, the maximum braking torque may reach 100%.DC BrakingThis can be selected when the motor starts or stops with the action frequency of 0-20Hz,action current level of 0-100% and actuation time of 0-30sec., which can be set in sequence.Other FunctionSkip frequencyJog functionCounter Rotation speed trackingMomentary power loss restart Frequency upper/lower limitingAcceleration/ Deceleration mode can be adjusted Frequency meter and Voltmeter output Multi-speed/ program running Two wire mode/ three wire mode control Wobble frequency controlMulti-function input terminal selection Fault auto resetRS485 serial communication .Protection FunctionInput phase loss protectionOver current protection Overload protectionOver voltage protection Under voltage protectionOver heat protection ect.