3. The electric vehicle controller, under the control of the brakes, can cut off the output current and achieve brake control。
4. The electric vehicle controller, under the control of the switch, can alter the electric power drive currents and thus achieve an electrical velocity adjustment。
5. Electric vehicle controllers can also detect battery voltages, which are stored close to “discharge-termination voltage” by displaying a lack of power on the dashboard, thus alerting riders to adjust their own itinerary; when the voltage is terminated, the signal is sent to the comparator by sampling resistance, and the signal is protected by circuit output, causing, protecting the circuits to give instructions by pre-set procedures to cut the current to protect chargers and batteries。
1. The controller works intermittently; the controller works intermittently, typically with the following possibilities: the device itself drifts in its parameters in a high or low temperature environment; the overall design function of the controller leads to excessive local temperature in certain units and puts the device itself in protective condition; and poor exposure。
2. Damage to the power supply within the controller; damage to the internal power supply within the controller, which is generally possible as follows: short circuits within the controller; short circuits for peripheral control components; short circuits for external leads。
3. Damage to power units; damage to power units, which typically involve the following types of potential: damage to electrical units; poor mass or insufficient grade of the power units themselves; installation or vibration relaxing of the equipment; overloading of the power units; damage to power plants; or unreasonable design of parameters。
4. Loss of control signals as a result of wear and tear of connections and poor or loose plugs; poor contact or loss of connections and contact plugs, which typically involve the following types of possibilities: unreasonable selection of wires; inadequate protection of wires; and poor binding of relay plugs。
If the electric car controller fails, the best way is to replace the new parts! Since maintenance costs may be higher than new ones – of course, replacing new ones is only a time-saving way to save effort in the provinces, or to analyse them in a specific case。
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