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VFD-K Pid Frequency Inverter
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| Offer Post Time: | 2008-10-05 |
| Expiration Date: | 2008-12-25 |
| Details: | Presenting the tempting advantage of stable performance, fine power-saving and specially functions, this series inverter is mainly applied in air-conditioning units. In practice, helped by the built-in PID or PI adjuster, the closed loop system, composed of the inverter and some sensors, may execute a marvelous self-adapting control to the typical parameters, temperature, pressure flow capacity and position.
Technical data of VFD-K Inverter: Input power: Rated voltage: 3-phase 380v Rated frequency: 50/60HZ Output: Control mode: Voltage vector control Rated voltage: 3-phase 380V Frequency range: 1.00-150.00HZ V/F compensation: Curves to be set between 1-8 Overload capacity: 150% (rated current) 1 minute Operation Functions: Frequency setting: Keypad and external analogue signal (0-5V, 0-10V, 0-20MA) On/Off control: Passive contact control or keypad control Speed up/down time: 0.1-3000s (to reach the change time for 50HZ) Protection: Under-voltage, Out phase, Over-voltage, Over-current type of output frequency, output voltage, output current and codes. Conditions: Equipment location: No tangy active gases or dust Ambient temperature: -10-50 Ambient humidity: Below 90% (no bead coagulation) Vibration intensity: Below 0.5G Matched Motor: 1.5KW-160KW Typical functions: Built-in PID or PI adjuster and positive/negative feedback control. Available presetting for the controlled parameters. On-duty working and statistics of working hours. Multi-channels of control signals. Thresholds of the controlled variables and constant value control. Digit logic unit for multi-units linkage control. Function interface of air-conditioning system with computer centralized control. |
