- Frequency inverter
- general purpose frequency inverter low voltage 690V and lower
- special purpose frequency inverter low voltage 690V and lower
- four quadrants frequency inverter low voltage
- Servo drives low voltage
- medium voltage (1140V)
- high voltage (3.3KV/6.6KV/10KV)
- Accessories
- Option cards
- Solution
Address: No.4 Building, Gaofa Industrial Park, Longjing, Nanshan District, Shenzhen, 518055, China
ZipCode: 518055
Tel: +86-755-86312856 86318602 86318456 (direct line) Mobile: +86 133 169 613 20 /+86 135 100 656 90
Fax: +86-755-8602 8412
Email: wangjian@invt.com.cn
Company Profile Tel :+86 755 86312834 86028065 (direct line) Mobile: +86 136 326 868 69 Fax:+86 755 8602 8412 Tel :+86 755 86312845 86028065 (direct line) Mobile: +86 130 778 019 09 Fax:+86 755 8602 8412 Tel :+86-755-86312856 86318602 86318456 (direct line) Mobile: +86 133 169 613 20 /+86 135 100 656 90 Fax:+86-755-8602 8412
Less current harmonics in the Grid side. Base waveform power factor is close to 1(full load) Typical application: STS (SHIP-TO-SHORE CRANE), RMG, Gantry crane, lading machine, unloading machine, dumper;
3 phase 380V/415V/440V/460V/480V/525V 132kW~1200kW
Excellent close loop vector control, Zero speed 200% Mn..
Three kinds control mode: sensorless vector control, vector control with PG, V/F control.
The same structure of rectifier and inverter unit, Simplify the system., easy to maintenance.
Sine wave regenerative braking unit, save the energy, protect environment;
Same structure for power unit of rectifier and converter;
Separate control for rectifier and converter;
Special function for lifting application: Logic control when power on, brake control, pre-excitation, overspeed protection, compensation of starting torque and so on;
Support PROFIBUS-DP and MODBUS;
Master-slave function can realize the power equilibrium and speed synchronization;
The second motor control and switch function can decrease the system cost;
Different external port can be used on different application.
Double protection of system and unit module, sequential control when power on, gate control and automatically save before faulty.
Big tonnage crane-bridge and gate (bigger 40 ton );
Crane for mine, conveyer;
Rolling mill of multi-motors, hoister for blast furnace;
Centrifuge, pouring washer;
Segment drive for paper machine;
Centrifugal casting machine, large punch machine.
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