Since the automatic start-stop function appeared a few years ago, most of the cars now have an automatic start-stop function. However, in reality, this function is rarely used by many owners, and many people think that automatic start-stop is a frequent start-stop engine. How is this different from manually starting the engine frequently? This will not damage the engine? In the end it is good to start or stop automatically? The automatic start-stop system (Start & Stop) is abbreviated as STT. The function of automatic start-stop is that when the traffic is stopped and the red light is on, the engine can be automatically turned off and re-ignited at the start to reduce unnecessary fuel consumption and reduce emissions. Why do so many owners do not use automatic start and stop technology, because the start of automatic start and stop is conditional: engine reaches normal operating temperature, normal oil temperature, normal water temperature, adequate battery power, no seat belts, ramp parking Problems such as air temperature influences may affect the use of start-stop technology, which causes many owners to feel that the start-stop function is difficult to use! What is the difference between automatic start and stop and frequent start and stop? Start-up and start-stop: The engine idle time is less directly and the fuel-saving degree is still visible, which is conducive to energy conservation and emission reduction. As for the problem of start-stop technology that can damage the engine, it cannot be said in fact. When does the engine have the greatest impact? When it is really cold, the start-stop function is based on the normal operation of the engine. The effect on the engine is negligible. Disadvantages of automatic start-stop system: 1. With the addition of an automatic start-stop system, the number of stalls/starts of vehicles will be much greater than the number of unassembled cars. Therefore, starters and batteries with higher performance are required, which will undoubtedly increase the cost of car maintenance. 2, in terms of lubrication, equipped with automatic start and stop of the car because of the number of start / stop more, the higher the oil quality requirements, it will undoubtedly increase maintenance costs. Frequent start and stop: Mainly in the case of traffic jams, the car had to idle for a long time. Turning off the traffic during traffic jam was somewhat unrealistic. Frequent start-stops included multiple decelerations, idling and acceleration, resulting in severe engine wear and severely affecting engine efficiency. In general, the auto start and stop function of the car is generally better, at least in terms of fuel economy. As to why few people use it, I think the main reason is that there are too many restrictions on the start-stop function and many people feel very troublesome.
Elevator Motor iron core is one of the most important parts of elevator traction motor
The traction motor of the elevator is only the rotor short circuit, the end ring resistance is larger, which is conducive to heat distribution directly, and the comprehensive effect makes the temperature rise of the motor decrease. And ensure sufficient starting torque, generally about 2.5 times the rated torque.
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