Active Member
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[China]
Address: Building A, No. 182, Qingxi Town, Dongguan City, Guagndong, China
Contact name:Shary
CHINA EM TECHNOLOGY LIMITED |
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7.5KW 3phse 380V frequency Inverter for Synchronous Motor
Technical Specification
| Item | Specifications | ||
| Standard functions | Maximum frequency | Vector control: 0~320 Hz V/F control: 0~3200 Hz | |
| Carrier frequency | 0.5–16 kHz (The carrier frequency is automatically adjusted based on the load features.) | ||
| Input frequency resolution | Digital setting: 0.01 Hz Analog setting: maximum frequency x 0.025% | ||
| Control mode | Sensor-less vector control (SVC) Closed-loop vector control (FVC)(+ PG card) Voltage/Frequency (V/F) control | ||
| Startup torque | G type: 0.5 Hz/150% (SVC); 0 Hz/180% (FVC) P type: 0.5 Hz/100% | ||
| Speed range | 1:100 (SVC) | 1:1000(FVC) | |
| Speed stability accuracy | ± 0.5% (SVC) | ± 0.02% (FVC) | |
| Torque control accuracy | ± 10% (SVC) | ± 5% (FVC) | |
| Overload capacity | G type: 60s for 150% of the rated current, 3s for 180% of the rated current P type: 60s for 120% of the rated current, 3s for 150% of the rated current | ||
| Torque boost | Auto boost Manual boost 0.1%~30.0% | ||
| V/F curve | Straight-line V/F curve Multi-point V/F curve N-power V/F curve (1.2-power, 1.4-power, 1.6-power, 1.8-power, square) | ||
| V/F separation | Two types: complete separation; half separation | ||
| Acceleration/deceleration curve | Straight-line ramp S-curve ramp Four groups of acceleration/deceleration time with the range of 0.0s~65000s | ||
| DC braking | DC braking frequency: 0.00 Hz ~ maximum frequency Braking time: 0.0s~36.0s Braking trigger current value: 0.0%~100.0% | ||
| JOG control | JOG frequency range: 0.00Hz~50.00 Hz JOG acceleration/deceleration time: 0.00s~6500.0s | ||
| Built-in simple PLC, multiple speeds | It realizes up to 16 speeds via the simple PLC function or combination of DI terminal states. | ||
| Built-in PID | It realizes closed loop control system easily. | ||
| Auto voltage regulation (AVR) | It can keep constant output voltage automatically when the mains voltage fluctuation. | ||
| Overvoltage/ Over current stall control | The current and voltage are limited automatically during the running process so as to avoid frequently tripping due to overvoltage / over current. | ||
| Rapid current limit function | It can auto limit running current of frequency inverter to avoid frequently tripping. | ||
| Torque limit and control | (Excavator characteristics) It can limit the torque automatically and prevent frequently over current tripping during the running process. Torque control can be implemented in the VC mode. | ||
| Individualized functions | High performance | Control of asynchronous motor and synchronous motor are implemented through the high-performance current vector control technology. | |
| Instant power off not stop | The load feedback energy compensates the voltage reduction so that the frequency inverter can continue to run for a short time. | ||
| Rapid current limit | To avoid frequently over current faults of the frequency inverter. | ||
| Virtual I/O | Five groups of virtual DI/DO can realize simple logic control. | ||
| Timing control | Time range: 0.0~6500.0 minutes | ||
| Multi-motor switchover | Two motors can be switched by two groups of motor parameters. | ||
| Multiple communication protocols | It supports communication bus via Modbus-RTU, PROFIBUS-DP, CANlink and CANopen. | ||
| Motor overheat protection | The optional I/O extension card enables AI3 to receive the motor temperature sensor input (PT100, PT1000) so as to realize motor overheat protection. | ||
| Multiple encoder types | It supports various encoders such as differential encoder, open-collector encoder, resolver, UVW encoder, and SIN/ COS encoder. | ||
| Advanced background software | It supports the operation of frequency inverter parameters and virtual oscillograph function, by which the state of frequency inverter can be monitored. | ||
| RUN | Running command giving | key panel; Control terminals; Serial communication port; You can switch between these giving in various ways. | |
| Frequency giving | There are 10 kinds frequency giving: digital setting, analog voltage setting, analog current setting, pulse setting and serial communication port setting. You can switch between these giving in various ways. | ||
| Auxiliary frequency giving | There are 10 kinds auxiliary frequency giving. It can implement tiny tuning of auxiliary frequency and frequency synthesis. | ||
| Input terminal | Standard: 6 digital input (DI) terminals, one of which supports up to 100 kHz high-speed pulse input 3 analog input (AI) terminals, AI1,AI2 support 0V~10 V or 0mA~20mA input, AI3 support -10V~+10V Expanding capacity: many DI terminals | ||
| Output terminal | Standard: 1 high-speed pulse output terminal (open-collector) that supports 0–100 kHz square wave signal output (Can be used as DO output) 2 relay output terminal 2 analog output (AO) terminals, both of them supports 0mA~20mA current output and 0V~10V voltage output. Expanding capacity: many DO terminals many relay output terminals | ||
| Display and keypad operation | LED display | It displays the parameters. | |
| Parameters copy | Optional LCD keypad can copy parameters. (Option) | ||
| Key locking and function selection | It can lock the keys partially or completely and define the function range of some keys so as to prevent misoperation. | ||
| Protection mode | Motor short-circuit detection at power-on, input/output phase loss protection, over current protection, overvoltage protection, less voltage protection, overheat protection and overload protection,etc. | ||
| Environment | Installation location | Indoor, no direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapour, drip or salt. | |
| Altitude | Lower than 1000 m | ||
| Ambient temperature | -10°C~ +40°C (de-rated if the ambient temperature is between 40°C and 50°C) | ||
| Humidity | Less than 95%RH, without condensing | ||
| Vibration | Less than 5.9 m/s2 (0.6 g) | ||
| Storage temperature | -20°C ~ +60°C | ||
