Powtran PI7800 Frequency Inverter

Specifications

items    specifications
power    Voltage and
frequency    Single-phase 200~240V,50/60Hz    Three-phase 200~240V,50/60Hz
Three-phase 380~415V,50/60Hz    Three-phase 440~460V,50/60Hz
Three-phase 575V,50/60Hz        Three-phase 660V,50/60Hz
Three-phase 1140V,50/60H
    Allowable Fluctuation range    voltage: ±15%   frequency: ±5%
control    Control system    high performance vector control inverter based on DSP
    Output frequency    G/F/Z/S/T/M:0.00~800.0Hz,the maximum frequency range is 10.00~800.0Hz
H:0.00~2000.0Hz,the maximum frequency range is 10.00~2000.0Hz.
    control method    V/F control, V/F+ PG control, vector + PG control
    waveform produce methods    asynchronous space vector PWM, step less and subsection synchronous space vector PWM,2 phase optimized vector PWM
    Auto torque boost function    Realize low frequency (1Hz) and large output torque control under the v/f control mode.
    Accelerate /decelerate control    Acceleration/Deceleration S curve subsection set mode. The maximum running time is 26 hours.
    Program running control    7 step speed program running, the maximum running time is 88 hours.
    frequency setting accuracy    Digital references:0.01Hz(300 Hz and below),0.1 Hz(above 300 Hz)
Analog references:0.05Hz/60Hz
    frequency accuracy    Speed control tolerance 0.01%(25℃±10℃)
    V/F curve mode    Linear,square,8 V/F curve set by user
    Over load capability    G/S:150% for one minute, 200% for 0.1 second
F:120% for one minute, 150% for 0.1 second
Z/M/T:180% for one minute, 250% for 0.1 second
H:250% for one minute, 300% for 0.1 second
    slip compensation    0~10% automatic slip compensation
running    Input  signal    running method    Keypad/Terminal/Communication mode
        frequency setting    There are 11 frequency setting modes, including DC 0~10V,
DC 0~20mA, DC 4~20mA, potentiometer on the keyboard.
        start signal    forward, reverse
        Multi-segment speed    can set 7 steps speed at most(using multi-function or program running)
        Multi-segment acceleration    At most 8 steps acceleration can be set (using multi function terminals or program running.)
        instant stop    Interrupt controller's output.
        traverse running    Program control running
        jog    running in low speed
        fault reset    When the protection function is affective, system can reset fault state automatically.
        PID feedback signal    DC 0~10V, DC 1~5V, DC 0~20mA, DC 4~20mA
running    Output signal    running state    motor state display, stop, accelerate/decelerate, seven-speed,
program running state
        fault output    relay fault output: AC 250V 5A, DC 30V 5A
        analog output    2 analog output, 8 signals could be selected: frequency, current, voltage, temperature, etc, the output signal range is 0~10V/0~20Ma.
        output signal    6 output signals, each one with 32 signals for option.
    running function    Limit frequency, skip frequency, torque difference compensate, reverse protection, automatic adjustment, PID control
    DC brake    On base of non-OC, internal PID can regulate braking current to ensure enough braking torque.
Protection function    inverter protection    Over voltage, under voltage, over current, over load, overheat, over current stall, over voltage stall, phase loss (options), external fault, communication fault, PID feedback abnormity, PG fault.
    IGBT temperature display    Display of current IGBT temperature
    inverter fan control    Temperature of starting the fan can be set. (options)
    restart after momentary
power loss    less than 15ms:continue running
More than 15ms:automatic inspection of motor's speed, restart after transient power down.
    speed starting pursue mode    inverter pursue motor speed automatically before starting
    parameter protection function    protect inverter's parameter by setting password and decode
display    LCD
English
Display
+
LED
keyboard    running
message    Totally 66 running monitor objects: set frequency, actual frequency, actual current, actual current percentage, DC bus voltage, actual output voltage, actual motor's speed, total running time, IGBT temperature, PID set value, PID feedback value, motor output power percentage, excitation heft set value, excitation heft actual value, torque heft set value, torque heft actual value. Display of 3parameters simultaneity at most: set frequency + actual frequency+ the monitored running message. Select by F00, F65, F66.
        fault
message    Store 5 fault messages at most, and can inquire about fault style, voltage, current, frequency and the work state at the same time
communication    RS485    Completely isolated RS485 communication module (options),realizes the communication with the host computer.
    CAN BUS    CAN BUS module(options)
environment    environment temperature    -10 ℃~ 40 ℃
    storage temperature    -20 ℃~65 ℃
    environment humidity    Less than 90 % RH
    Height / libration    less than 1,000 m, less than 5.9m/s2(=0.6g)
    application place    where there is no rust gas, no flammability gas, no grease and dust
cooling methods    Forced air cooling and natural cooling