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The work principles of induction motor
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1.The work principle of induction motor- - Introduction Induction motors, also called induction motor, the motor is an AC rotating, and the rotation of the rotor rotating torque obtained at the rotating magnetic field. It has a simple structure, easy maintenance, lower cost, higher efficiency, better operating characteristics and other characteristics of people's daily life, the most widely used motors, used for a variety of mechanical equipment, household appliances to power, such as machine
Single phase asynchronous motor principle - Introduction
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Single-phase asynchronous motor is a kind of can convert electrical energy into mechanical energy device, usually the case, the capacity of a single-phase asynchronous motors are relatively small, only single-phase power supply, easy to use, widely used in industry and agriculture and live electrical appliances field, typical applications include: washing machines, electric fans, refrigerators, air conditioners, pumps, blowers, juicer, soybean milk and so on.
Electric fan motor winding tap repairs
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1. Removal of the old winding electric motor: These are basically single-phase four-pole rotor motor sixteen slots. Remove fixed, four screws and the lower end of the stator core, the stator core together with winding can be removed, but turn the leaf fan, Bishan, a small desk fan, the lower cap would buckle in the middle of the core, the core which is difficult to remove, first from the two end caps with a screwdriver to pry open the seam, remove a cap; core card in the other end cap in with a
Air compressor motor burned Case Analysis - Compressor vacuum
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Open-type refrigeration compressor has been forgotten, but the refrigeration industry and some field personnel retained habits of the past - with a compressor evacuated. This is very dangerous.
Air compressor motor burned Case Analysis - inadequate cooling
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Power compressors are generally larger return air cooling type. The lower the evaporation temperature, mass flow system often smaller. When the evaporation temperature is low (more than the manufacturer's instructions), the flow is not sufficient to cool the motor, the motor will operate at higher temperatures. Air-cooled compressor (usually no more than 10HP) dependence on a small back to the gas, but the compressor ambient temperature and cooling air flow have specific demands.
Air compressor motor burned Case Analysis - power phase and voltage anomalies
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Abnormal voltage and phase can easily destroy any motor. Supply voltage range must not exceed the rated voltage of ± 10%. Three phase voltage imbalance must not exceed 5%. High-power motors must be independent of the power supply, resulting in low voltage to prevent the same line when other power equipment up and running. Motor power cable must be able to carry the rated motor current.
Air compressor motor burned Case Analysis - Contactor issue
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The contactor is one of the most important components in the motor control circuit, it can destroy the best selection of unreasonable compressor. Press contacts load the correct choice is extremely important.
Air compressor motor burned Case Analysis - short circuit caused by metal debris
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Inclusion winding metal chips are short circuit and ground insulation value is low culprit. Vibration during normal operation of the compressor, as well as every time you start winding by electromagnetic force and twist, will promote inclusion in between the winding and winding enameled metal shavings between the relative movement and friction. Sharp edges will scratch enameled metal shavings insulation, causing a short circuit.
Air compressor motor burned Case Analysis - Abnormal load and stall
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Motor load including compressed gas required to load and load needed to overcome mechanical friction. Compression ratio is too large, or the pressure is too great, the compression process will be more difficult; and friction lubrication failure caused by increased and motor stall in extreme cases, will greatly increase the electrical load.
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Classification by structure should be divided into horizontal and vertical electrical motors. Due to the operating characteristics of the pump is relatively small starting torque, starting frequency is relatively small, relatively long time continuous operation characteristics, and therefore the majority of the pump motor rotor squirrel cage induction motor or a synchronous motor.
Automatic winding machine used in the process skills
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During operation, automatic winding machine, be sure to know how to set a good starting position around, wire size, wire winding width three important parameters. Specific methods are as follows: First, since the winding position setting
Reasons for the slow speed of the winding machine
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Slow speed, is generally caused due to small power, such as fan speed, engine speed, are directly related to its power. Then the reasons for the slow speed winding machine, what is it? Winding Factory - Winder Ltd. Zhongshan Granville given together with an analysis of your Winder specific reasons for the slow speed.
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The basic principle is to Winder Winder modular body control system and the external configuration of components, all according to the functions and structure of the decomposition of some of the basic unit module, and then press the customer demand for portfolio allocation after the sale, to meet different market demand. The modular design of industrial equipment, their thinking and practice for many years of history. In everyday life, you can also see a lot of wide application of modular indust
The Design of Air conditioning compressor stator winding
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Air conditioning compressor is the heart of the refrigeration system, performance and quality of its pivotal drive motor. The design of the motor is going to make both long-term and stable work of the compressor, but also with the compressor body to achieve the best match, thereby improving performance of the compressor, so that obtain the best value for money.
Jinkang will debut at Hannover Messe 2015
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Backbone enterprises of domestic high-tech Changzhou Jin Kang Precision Machinery Co., Ltd. which is integrated R&D,production,sales and after-sales service of motor manufacturing equipment into a whole will participate in the exhibition in Hanover, Germany, 13th-17th,April.Participants will learned from Jinkang's booth that Jinkang design and manufacture full production line(starts from coil winding to final forming of a stator) for motors. Besides,Jinkang can also supply high quality spar