US Quincy Compressor Announces New QSV Series Frequency Conversion Screw Vacuum Pump

US Quincy Compressor Announces New QSV Series Frequency Conversion Screw Vacuum Pump

Quincy compressors in the United States have recently released the QSV series of variable-frequency screw vacuum pumps that have revolutionized vacuum technology, significantly increasing customer productivity. The new QSV205-110 (5.5-37kW) variable frequency screw vacuum pump series achieves about 50% energy savings compared to conventional vacuum pumps. The leading technical features of Quincy QSV series can provide more vacuum solutions for customers in various industries, representing a substantial technological leap in the vacuum field.
The Quincy QSV series is a new generation, highly efficient, intelligent variable frequency drive screw vacuum pump. Based on the proven plug-and-play design concept of the Quincy vacuum pump, the new design of the QSV series vacuum pump is not only rugged and durable, but also can provide the best performance in the working pressure range required by the customer to meet the needs of different customers. For printing and paper, woodworking industry, rubber and plastics, food processing, meat packaging, R & D systems, electronics industry, pharmaceuticals, materials processing and other fields.
“We are proud to be able to introduce QSV variable frequency screw vacuum pump series products of the same leading technology. This series of products can be widely used in different industries to provide the best energy-saving solutions, providing customers with a full range of high-performance, low-energy vacuum pumps. Product demand: "The Quincy compressor China customer center general manager Zhang Hao said:" As the leader of industrial vacuum in the US Quincy compressors, we will continue to introduce new products for Chinese customers in the United States Quincy compressor in the vacuum field New products, new technologies. As a Quincy vacuum pump user, you will benefit greatly from the high efficiency of the Quincy vacuum pump and the support of a powerful service.”
Thanks to leading screw design and VSD variable frequency drives and innovatively designed motors, the Quincy QSV series has been greatly improved in efficiency, achieving energy savings of approximately 50% compared to conventional oil pumps and dry rotary vane pumps, while significantly reducing equipment operating costs. The Quincy QSV series has a very low noise level that is only about half that of other vacuum technologies. The superior oil retention capability greatly optimizes the quality of exhaust emissions, reduces the impact on the environment, and at the same time avoids the frequent oil injection of conventional oil pumps. The compact design houses all components in a neat enclosure, making it one of the smallest footprint devices on the market, while making maintenance easier. Quincy QSV series Airlogic logic controller, Chinese color LCD, friendly interface, simple operation, higher efficiency. Can provide local control mode, remote control mode and network

Working principle of integral Alternator

When the external circuit through the brush excitation winding is energized, it generates a magnetic field, the claw pole magnetized N pole and S pole. When the rotor rotates, flux alternately in the stator windings changes, according to the electromagnetic induction principle knowable, the stator three-phase winding produced alternating induced electromotive force. This is the alternator power generation principle.

The original motivation (i.e. engine driven DC excitation of synchronous generator rotor, with the speed of n (RPM) rotation, three-phase stator winding induction AC voltage. The stator winding if access to electricity load, motor with AC power output, after internal generator rectifier bridge will convert AC to DC power is output from the output terminal.

The content of AC generator stator winding and rotor winding and the three-phase stator winding according to the mutual difference distribution of 120 electrical degrees on the shell PTT and rotor winding is composed of two pieces of claw pole. When the rotor windings connect when DC is two pole excitation, the formation of N and S poles. Magnetic pole starting from N, through the air gap into the stator core to the adjacent S. Rotor once rotated, the rotor winding will cuts the magnetic lines of force and mutual difference of 120 electrical degrees of sinusoidal EMF in stator windings, the three-phase alternating current, again through the diode rectifier changed to DC output.

When the switch is closed, the current is supplied first by the battery. Circuit:

The positive battery, charging indicator, regulator, excitation winding, contact ground, negative battery. At this time, due to the current through the charging indicator light, so the exhibit of lanterns.

But after starting the engine, with the increasing speed of the generator, the terminal voltage of the generator is increasing. When the generator output voltage and the battery voltage is equal to the generator "B" and "d" end of equal potential. At the same time, the charging indicator due to the ends of the potential difference is zero and extinguished. The generator has been instructed to work properly, the excitation current is supplied by the generator itself.Generator three-phase winding three-phase AC electromotive force generated by the resistance after diode rectifier, DC output, power supply to the load and to the battery charging.

ISKRA Alternator

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