China frequency inverter vfd motor controller
USD $81 - $9,000 /Piece
Min.Order:1 Piece
Wenzhou Wosn Electron Technology Co., Ltd.
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SV8-4T Sensorless Three Phase Frequency Inverter
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Specifications
SV8-4T SensorlessThree Phase Frequency Inverter is using high performance digital signal processor and optimizing control algorithm, provides fans and pumps etc with high speed ,flexible, safety control
1 High-performance non-inductive vector control, has the very good low frequency torque
2 Mini design, simplicity of installation , easy to operate, highly reliable.
3 Suitable for all kinds of OEM applications
4 Wide industry application . to expand special function according to different industries.
5 V/F curve &multi-inflection point setting, flexible configuration
6 Have strong ability of overload: 150% rated current 1 minute, 180% rated current for 3 seconds
When communication function: with RS485 standard communication interface, supports both ASCII and RTU format MODBUS communication protocol
Item | Specifications | |
Input | Rated voltage and frequency | Single-phase 220V, three-phase 220V,three-phase 380V; 50Hz/60Hz |
Variable allowable value | Voltage: -20% +20 Voltage unbalance: <3% Frequency: ±5% | |
Output | Rated voltage | 2-200/220V /380V |
Frequency range | 0Hz500Hz | |
Main Control Function | Overload capability | 150% for 1 min, 180% for 3s, |
Control mode | Space voltage vector SVPWMcontrol | |
Frequency accuracy | Digital setting: Max frequency ×±0. 01% Analog setting: Max frequency ×±0. 2% | |
Frequency resolution | Digital setting: 0.01Hz Analog setting: Max frequency ×0.1% | |
Torque rise | Auto torque rise,manual torque rise 0.1%30.0% | |
Jogging | Jogging frequency range: 0.1Hz50.00Hz,jogging acceleration and deceleration time: 0.1-60.0s. | |
Built-in PID | It is convenient for forming closed loop control system, applicable for course control like pressure and flow, etc. | |
Multi-speed operating | Realize multi-speed running by built-in PLC or control terminal. | |
Weaving wobble frequency | Can get wobble frequency of adjustable central frequency | |
Auto voltage adjustmen | When main voltage changes, the output voltage may be kept constant by adjusting PWM output (AVR function). | |
Auto energy-saving running | According to load condition, V/F curve can be optimized automatically to get the aim of energy-saving running. | |
Auto current limiting | Limit in-service current automatically, so as to avoid tripping for fault caused by frequent over current. | |
Operator Setting Method | Press or ∧ or ∨ to set | |
Operation Function | Running command channel | 3 kinds of control mode: keypad control, analog terminal control, serial communication control |
Frequency source selection | Digital set, analog voltage set, analog current set, pulse input set, serial communication port set; through various method to combination switch. | |
Protection Function | - | overvoltage protection,overcurrent protection,over temperature protection,undervoltage, overload |
Operation environment | Operating site | Indoor, sea level below 1000m,no dust, corrosive gas, and direct sunlight |
Ambient temperature | -10°C~+40°C | |
Humidity | <90%RH (no condensing) | |
Storage temperature |
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Application
1 Mining machinery, printing machinery, drawing machine, textile, paper making, metallurgy, food, chemical, transmission, wire and cable, ceramic industry, building materials, packaging machinery, tobacco, and other sites and industries.
2 Apply for kinds of OEM.
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Service offered by Wenzhou WOSN Electric Co., Ltd.
1. Technical consultation during pre-sale, sale and after-sale.
2. 12 months guarantee period and whole life-span maintenance.
3. OEM and ODM.
4. Energy saving reconstruction solution design.
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Our certificate