YTS Type Motors Can Determine The Capacitance Is Good Or Bad
1, YTS-type motor shake table shake, 500V shake table can be in the motor housing insulation resistance line shaking three terminals, in the absence of short-circuit description should be more than 0.5 meters.
2, multimeter test: measure A / B / C three-phase resistance, YTS motor is equal, almost bad, but not long, remember the greater the motor, the smaller the resistance! Can not three-phase is 0 Europe, unless you are Especially large, YTS type motors such as more than 50KW motor! Please remember that if the speed of the motor 6 terminal resistance is not the same yo!
3, check the bearings, fans, universal winding motor to make the whole change! Because sometimes the lock will put the motor ya burn!
4, the motor no-load current is generally rated current of 10% to 50%, YTS type motor, and sometimes the motor idling current is also zero yo!
Motor rated current operation, full load operation, the output power of 100%. Running current is small, indicating that the motor output power is small, YTS-type motor light load operation.
Measuring the insulation resistance of the motor windings and the housing with a 500V megger should not be less than 0.5 MW. Measure the windings with a multimeter. YTS motors do not meet the required wires. The movement is good.
The detection of the capacitor is good or bad, there is a pointer to the multimeter (there is also a digital table with a capacitance ratio that can be measured directly).
Multimeter 1 k or 10 k resistance file, YTS-type engine measuring the two leaders of the capacitor, the needle quickly turned right after the right side of the capacitor on the left side is always good capacitor is broken through the pointer does not move the dotted line within the capacitor or no ability. YTS type motor can only judge the capacitance is good or bad.
The working principle of the permanent magnet synchronous motor is the same as that of the motor excitation synchronous motor, but it is provided by the permanent magnet instead of the excitation excitation of the latter. The motor structure is simple. In recent years, the improvement of the performance of permanent magnet materials and the advancement of power electronic technology have promoted the development of new principle and new structure permanent magnet synchronous motor, which promoted the development of motor product technology, variety and function. Some permanent magnet synchronous motor has become a series of products, YTS-type motor capacity from small to large, has reached the megawatt level, the application of more and more widely; its status is more and more important, from military to civilian, from special to general Rapid expansion, not only in the leading micro-motor, YTS-type motor, but also in the electric propulsion system also shows a strong vitality.
The development of hot and high magnetic properties of nd2 permanent magnet materials will be successful in the important applications of high power permanent magnet synchronous motors. The demand for high-power motors is growing, such as electric vehicles, hybrid cars (combined with internal combustion engines and motors), YTS vehicles, such as electric vehicles, trains, elevators, machine tools, robots and so on.
The ship drives the motor at low speed and high torque. Germany Siemens developed a 1986-kilowatt, 1095 r / t six-phase permanent magnet synchronous motor propulsion ship in 1986, compared with the past, using a DC motor, the volume can be reduced by about 60%, the loss can be reduced by about 20% Kilowatt permanent magnet synchronous propulsion motor installed in the 212 US submarine trial, YTS type car length and effective volume compared with the traditional DC propulsion motor decreased by 40%. Switzerland ABB has built more than 300 electric propulsion ships with a maximum installed capacity of 2X19MW, YTS motors and their developed 400 kW to 3 MW permanent magnet synchronous motors for the "com- paet ~ ipod" pod type electric propulsion system. France Thermal Mongolia Industrial Co., Ltd. in 1987 developed 400 kilowatts, 500r / rain permanent magnet motor prototype and DC motor compared with the volume is also reduced by 40%. 1996, 12, 180r / min permanent magnet propulsion motor and control device has been completed, all the actual ship test. In the same year, the British exhibited "HNA" light stealth frigate design model. YTS Engine The ship is equipped with two 21MW permanent magnet synchronous motors that can drive the propeller directly before cruising or sneaking.