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PowerSmart series high-voltage large power frequency converter is a voltage-source-type high frequency converter, and it is a multilevel topological structure with multipulse rectification, multiple PWM, and overlapping by units in series. It has the features of high power factor and low harmonic wave pollution, and its input and output current waveform is similar to that of sinusoid. PowerSmart series highvoltage large-power frequency converter is a high-efficient, energy-saving product developed by applying modern electric and electronic technology, electric traction technology, computer control technology, etc. It applies advanced input dividing technology, optimized series overlapping technology, special single-phase bridge inversion technology, best optical fiber conduction technology, perfect overvoltage protection technology, waveform continuous transformation technology, long-distance communication control technology, etc. National patents for most of these technologies have been applied for.
1. It is a unit series high frequency converter.
2. Design of modulization, with beautiful appearance and compact structure.
3. Small content of input and output harmonic waves, which little affects the power supply system and the motor.
4. High input power factor and no need for power factor compensation unit.
5. Sinusoidal output, which makes the operation of the motor even steadier.
6. Perfect function of trouble self-diagnosis. In the case of troubles such as short circuit, grounding, overcurrent, overload, overvoltage, undervoltage, overheating, etc., the system can timely protect or give warning.
7. Various frequency setting modes such as touch screen, digital keyboard, analogue, long-distance DCS, etc. can meet the requirement of various users.
8. Optional man-machine interface, with both charactron gun operation panel and color touch screen operation panel provided.
9. Bypass unit is provided, and munual and automatic operations are optional.
10. The latest generation IGBT power module is applied, with low voltage difference, small loss and high efficiency.
11. Built-in PID regulator allows closed-loop control.
12. Up to 5 cycles of power grid power-off is allowed.
13. Switches for up to 8 loops, analogue interfaces for up to 4 loops and digit communication for 1 loop can be provided.
14. With high-speed DSP, FPGA as the core of control, instructions are enabled to be performed in nanoseconds.
15. All electronic devices are imported famous brand products, with reliable quality.
PowerSmart series frequency converter has the following advantages:
1. It produces no obvious harmonic wave distortion to the power supply system, any form of filters is not required, and no interference is caused to other sensitive equipment.
2. High power factor and no need for power factor compensation unit.
3. No need for considering the decrease of the motor capacity in its use due to the heating of harmonic waves, and the output cable can be as long as over 1000 m.
4. The noise of the motor is approximate to that when line-frequency power supply is applied.
5. The electric stress intensity of the motor is approximate to that when line-frequency power supply is applied, without any obvious additive effect.
6. Low torque moment pulses, which will not lead to mechanical resonance and will also reduce the wear of the transmission mechanism.
7. Complete parameter functions, which are easy to set and can meet the requirement of all applications.
8. Perfect trouble self-diagnosis and protection, which can give correcting warning and protection for the troubles of the system.
9. Structure of full modulization. The main controller of the computer can correctly and rapidly locate the trouble part and find the cause, and the trouble can be eliminated or trouble part can be replaced in minutes.
Public service: water supply pump, water conveying pump, feed pump, blowoff pump, purification pump, etc.
Power: draught fan, blast fan, circulation pump, feed pump for boilers, etc.
Metallurgy: blast furnace fan, dust collecting fan, oxygen making machine for making steel, etc.
Cement: blast fan, draught fan, attrition mill, dust collecting fan, etc.
Oil: oil conveying pump, water filling pump, etc.
Chemical: compressor, exhaust fan, etc.
Mining: water discharge pump, exhaust fan, etc.
Pharmaceutical: scavenging pump, etc.