medium frequency VFD
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It is used for the speed-adjusting control of AC motors with power supply of 6KV or 10KV and motor power of 200-5000 KW. Frequency converter uses the technology of vector control, and it realizes high-torque, high-precision and wide range of speed-adjusting drive. It has the function of energy feedback to power grid, the energy-saving effect is significant. Uses color LCD touch screen to display, it is convenient and simple to be installed and debugged, at the same time it can print and output report reform about running statements and make remote control. The frequency converter has advantage of high input power factor, less current harmonic and it doesn't need power compensation and harmonic suppression devices. The power circuit is modularized and it is simple and rapid to maintain. The connection between high voltage main circuit and controller is optical fiber, so it is safe and reliable. It has the character of low-speed output and high torque, strong capability of overload, complete protective function, high reliability and so on. Particularly, Working condition requirementsit is suitable for working condition requirements of hoister at colliery.
It is used for the speed-adjusting control of AC motors with power supply of 6KV or 10KV and motor power of 200-5000 KW.
Frequency converter uses the technology of vector control, and it realizes high-torque, high-precision and wide range of speed-adjusting drive. It has the function of energy feedback to power grid, the energy-saving effect is significant. Uses color LCD touch screen to display, it is convenient and simple to be installed and debugged, at the same time it can print and output report reform about running statements and make remote control. The frequency converter has advantage of high input power factor, less current harmonic and it doesn't need power compensation and harmonic suppression devices. The power circuit is modularized and it is simple and rapid to maintain. The connection between high voltage main circuit and controller is optical fiber, so it is safe and reliable. It has the character of low-speed output and high torque, strong capability of overload, complete protective function, high reliability and so on. Particularly, Working condition requirementsit is suitable for working condition requirements of hoister at colliery.
Applications
| Applications | Application object |
| Electric Power | Boiler auxiliary devices in power plant ,such as condensate pump,blower,primary fan,miller,booster pump of the air pump ,electric feed pump,fan,water jet machines ,high-voltage AC pumps ,condensate booster pumps , draimage powder machine ,mortar pump,etc; the wind power ,solar power generation equipment |
| Steel Industry | Rolling mill main drive ,winding machines ,gear cutting machines |
| Nonferrous Metals | Conveyor systems ,sieve shaker,excavators,grinders |
| Building Materials | Blower,grinder |
| Chemical Industry | Various types of compressors |
| Coal Industry | Belts conveyor ,main ventilator in coal mine,draining pump,hoister |
| Petroleum and Gas | Fuel pump,injection pump ,submersible pump |
| Petrochemical Industry | Circulating pumps ,hydrogenation pumps ,comperssoes |
| Mechanical and Electrical Industry | Pumps ,fans, constant torque transmission |
| Light Industry | Centrifugal gearing ,pump |
| Transportation | Propeller gear ,bowthruster drives ,transverse thruster drives ,electric locomotives ,EMU”s AC drive ,magnetic levitation train traction |
Parameter
| Matchable Motor Power | 200kW-3000kW | |
| Input Voltage Requirements | Phase,frenquency,voltage | Three-phase 50HZ? 3kV,6kV,10kV |
| Allowing fluctuation | Voltage: -20%—+15% frenquency: ±10% | |
| Output Features | Output Voltage | Three-phase 0-3kV,0-6kV,0-10kV |
| Rated Current | See model-selection list | |
| Overload Capacity | 120% allowing one minute,150% protecting immediateluy | |
| Current waveform | Sine wave | |
| Basic Features | Output frequency range | 0Hz to 120Hz |
| Output frequency resolution | 0.01Hz | |
| Input power factor | rated load>0.96 | |
| Efficiency | rated load>0.96 | |
| Control Feeature | Accelerate and deceleration time | 5 seconds-1600 seconds |
| Control ways | Local control, remote control, upper control | |
| modulation ways | Space Vector Control Technology | |
| Display | LCD touch screen | Setting operation frequency, acceleration and? deceleration time,control ways, positive and inversion parameters, showing input voltage¤t,output voltage |
| Indicator light | high voltage operation,operating indication,fault indication | |
| Input/Output | Analog Input | two ways,0~10V/4~20mA? selective |
| Analog Output | two ways,0~10V/4~20mA? selective | |
| Switching input and putput | 24 input/16 output | |
| Comunication | Isolated RS485 interfaces, MODBUS Statute | |
| Cooling Method | forced cooling | |
| Degree of protection | Basic model IP30,mining general model converter IP31 | |
| Environment | Operating Environment Temperature | 0 to 40℃ |
| Storage / transport temperature | -40 to 70℃ | |
| Environment Temperature | <90%,unable to condense | |
| Installation Altitude | <1000 meters(over 1000 meters,needs operating by lowing power) | |
Parameter
| H(Four-quadrant) | D(Single-quadrant) | ||||||
| 6kV | 10kV | 6kV | 10kV | ||||
| Converter Capacity(kVA) | Rated Input Current(A) | Converter | Rated Output Current(A) | Converter Capacity(kVA) | Rated Rutput Current(A) | Converter Capacity(kVA) | Rated Output Current(A) |
| 315 | 31 | 315 | 19 | 315 | 31 | 315 | 19 |
| 400 | 39 | 400 | 23 | 400 | 39 | 400 | 23 |
| 500 | 48 | 500 | 29 | 500 | 48 | 500 | 29 |
| 630 | 61 | 630 | 36 | 630 | 61 | 630 | 36 |
| 800 | 77 | 800 | 45 | 800 | 77 | 800 | 45 |
| 1000 | 96 | 1000 | 58 | 1000 | 96 | 1000 | 58 |
| 1250 | 120 | 1250 | 72 | 1250 | 120 | 1250 | 72 |
| 1600 | 154 | 1600 | 92 | 1600 | 154 | 1600 | 92 |
| 1800 | 173 | 1800 | 104 | 1800 | 173 | 1800 | 104 |
| 2000 | 192 | 2000 | 115 | 2000 | 192 | 2000 | 115 |
| 2250 | 130 | 2250 | 220 | 2250 | 130 | ||
| 2500 | 144 | 2500 | 240 | 2500 | 144 | ||
| 3150 | 182 | 3150 | 304 | 3150 | 182 | ||
| 4000 | 230 | ||||||
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