Small Power Frequency Converter

  inputRated voltage,frequencyThree phase (4T Series) 380V; 50 / 60Hz three phase (2t Series) 220V: 50 / 60Hz Allowable variation range of voltageThree phase (4T Series) 320v ~ 460V three phase (2t Series) 190V ~ 250VoutputVoltage4T series; 0 ~ 380V 2T series; 0 ~ 220Vfrequency0~600HZOverload capacity110% long term 150% 1 minute 180% 5 secondscontrol modeV / F control, simple vector controlControl characteristicsFrequency setting resolutionAnalog input0.1% of maximum output frequencyDigital setting0.1HZFrequency accuracyAnalog inputWithin 0.2% of maximum output frequencyDigital inputSet the output frequency within 0.01%V/F controlV / F curve (voltage frequency characteristic)The reference frequency can be set arbitrarily from 5 Hz to 600 Hz, the multi point V / F curve can be set arbitrarily, and a variety of fixed curves such as constant torque, low reduced torque 1, low reduced torque 2 and square torque can also be selectedTorque liftingManual setting: 0.0 ~ 30.0% of rated outputAutomatic lifting: according to the output current and motor parameters, automatically determine the lifting torqueAutomatic current limiting and voltage limitingWhether in the process of acceleration, deceleration or stable operation, the stator current and voltage of the motor are automatically detected, and the unique algorithm is used to suppress the current and voltage within the allowable range, so as to minimize the possibility of system fault trippingControl characteristicsSensorless vector controlVoltage frequency characteristicThe output voltage frequency ratio is automatically adjusted according to the motor parameters and unique algorithmTorque characteristicsStarting torque:100% rated torque at 5.0hz (VF control)150% rated torque at 1.5Hz (simple vector control)Current and voltage suppressionFull range current closed-loop control, completely avoid current impact, with perfect over-current and over-voltage suppression functionUnder voltage suppression in operationEspecially for the users with low grid voltage and frequent fluctuation of grid voltage, the system can maintain the longest possible operation time according to the unique algorithm and residual energy allocation strategy even if the voltage is lower than the allowable rangeTypical functionsMulti speed operation7-segment programmable multi-stage speed control, multiple operation modes are optional.PID controlBuilt in PID controller (preset frequency). Standard configuration of RS485 communication function, a variety of communication protocols optional, with linkage synchronization control functionRS485 communicationFrequency settingAnalog inputDC voltage 0 ~ 10V, DC current 0 ~ 20mA (upper and lower limit optional)Digital inputOperation panel setting, RS485 interface setting, up / DW terminal control, and various combination settings with analog inputoutput signalDigital output1 channel OC output and 1 channel fault relay output (TA, TB, TC), up to 14 meaning optionsAnalog outputOne analog signal output, the output range is 0 ~ 20mA or 0 ~ 10V, which can realize the output of physical quantity such as setting frequency and output frequencyAutomatic stable operationAccording to the needs, dynamic voltage stabilization, static voltage stabilization and non voltage stabilization can be selected to obtain the most stable operation effectAcceleration and deceleration time setting0.1s ~ 999.9min continuous settingbrakingEnergy consumption brakingThe starting voltage, return differential voltage and energy consumption braking rate can be adjusted continuouslyDC brakeStarting frequency of DC braking at shutdown: 0.00 ~ [f0.05] upper limit frequencyBraking time: 0.0 ~ 30.0S; braking current: 0.0% ~ 50.0% of motor rated voltageLow noise operationCarrier frequency 1.0khz ~ 16.0khz can be adjusted continuously to minimize motor noiseCounterOne internal counter, convenient for system integrationOperation functionSetting of upper and lower frequency, frequency jump operation, reverse operation limit, slip frequency compensation, RS485 communication, frequency increasing, decreasing control, fault self recovery operation, etcdisplayOperation panel displayrunning stateOutput frequency, output current, output voltage, motor speed, set frequency, module temperature, PID setting, feedback, analog input and output, etcAlarm contentOutput frequency, set frequency, output current, output voltage, DC voltage, module temperature and other operating parameters recorded during the last fault tripProtection functionOver current, over voltage, under voltage, module failure, electronic thermal relay, overheating, short circuit, internal memory failure, etcEnvironmental ScienceAmbient temperature- 10 ºC~ + 40 ºC (if the ambient temperature is between 40 ºC and 50 ºC, please reduce the rating for use)Ambient humidity5% - 95% RH, no water condensationsurrounding environmentIndoor (no direct sunlight, corrosion, flammable gas, oil mist, dust, etc.)altitudeDerating for more than 1000m, with