What is the general pulling force of electric motors?! And other parameters? Consult your teacher
General with 36 volts 12 ah battery quality brand-name electric bicycle mileage about nominal 45~60 km, while individual manufacturers nominal will rise to 70~80 km, which is suspected of false propaganda. Because of this nominal value, the efficiency of the motor is about 40% higher than the efficiency of the motor used in the brand factory. If a brand efficiency of motor factory production in the above described working state is 75%, the motor efficiency is 70~80 km nominal manufacturers has reached more than 100%, which is obviously impossible, this point to remind the consumers attention:
Important technical parameters of electric bicycle1, "continued mileage" nominalElectric bicycle mileage is defined as: "the new battery is full of electricity, the rider weight allocation to 75 kg in the flat two road (no wind conditions) ride, ride to the battery voltage is less than 10.5V/ to power, under the above conditions, the process is called riding in electric bicycle the mileage"
In actual use, how many kilometers can sufficient electricity travel in the end? This is related to many factors, and the factors are mainly manufacturers have the capacity and life characteristics of the efficiency of the electrical characteristics of the battery and other related factors; Objective: rider weight, often riding the road conditions, the need for frequent use brakes, cyclists riding habits and how. Another problem is the need to pay attention to remind consumers: the battery capacity will increase with time and gradually become smaller, sufficient electricity can travel distance will be reduced, when the old battery range can not meet the transport needs of the day, it can be considered to be sent to repair or replace the battery the new battery.
Maximum output power and maximum output torque of motor:The maximum output power of the motor is a measure of the key indexes of electric wheel torque capacity, the general electric bicycle factory will set a maximum working current according to their technical level, when the external load is large, the working current of electric vehicles reached the maximum output power is maximum. For example, the maximum operating current of an electric vehicle is set at 12A and the operating voltage is 36V, and its maximum input power is 432W. For example, the maximum current limit of an electric vehicle is 15A, and the voltage is 36V, and the maximum input power is 540W. Obviously, some motors maintain high efficiency in high current conditions, while some motors are severely reduced in high current conditions. Most electric motor efficiency in 430W input has dropped to about 55%, the maximum output power is 430 * 0.55=236W, the maximum output torque is only 14N.m, obviously, a maximum torque of 25N.m electric vehicle with a maximum torque of 14N.m electric vehicle in climbing ability, allowing loading ability and resistance resistance etc. will there is a big difference, the feeling of riding is completely different. When buying a car, if you want to test the maximum output torque of the vehicle, the easiest way is to "load climbing.""
