UVW corresponds to the three live wires and N is the neutral wire. If your equipment is 220V, connect it to UN, and the maximum cannot exceed 1.7 kilowatts.
A diesel generator is a small power generation equipment, which refers to an electric machine that uses diesel as fuel and a diesel engine as the main engine to drive the generator to produce electricity.
Development history
The world's first diesel engine was born in Augsburg, Germany in 1897. It was invented by Rudolf Diesel, the founder of MAN. The English name for the diesel engine is Diesel, the name of the founder.
MAN is the most professional diesel engine manufacturing enterprise in the world today, with a maximum single engine capacity of 15,000 kW. It is a major supplier of energy to the shipping industry. China's large diesel power plants also rely onalso of the MAN, such as the Dongjiang power station in Huizhou, Guangdong (100,000 kW). Foshan power plant (80,000 kW) are all units supplied by MAN.
The output end of the diesel generator consists entirely of live wires. If this situation is resolved
When the generator catches fire, the fire will be extinguished. The reason is that the fuel injection pump piston, which is the housing of the high pressure oil pump, has worn badly over time and will shut down if the pressure is not achieved. When the car is idling at high speed and the engine speed is high, the fire will not be extinguished. At low idle speed, the engine speed is slow, the piston pressure in the fuel injection pump cannot reach the injection pressure, and the fuel injector cannot atomize the diesel, so it stalls.
There are 6 sets of injectors on the engine cylinder head. InDue to the high pressure of the new oil pump and new piston, the factory pressure is generally adjusted to around 220. But when the engine runs for a long time, the piston pressure will gradually decrease, while the pressure of the assembly injector will stay at around 220. At this point you need to either adjust the injector pressure or replace the injector piston. It is suggested to take the high pressure fuel pump and fuel injectors to a professional fuel pump expert for calibration.
Other reasons:
1. The extinguisher switch is not turned on and the extinguisher wire is shorted. Lack of oil.
2. Sensor: Disconnect the oil sensor cable and the gasoline engine can start the oil change sensor.
3. Ignition System Problems: Disconnect the spark plug to start and observe the spark. White and red sparks are normal; if there is nono spark, replace spark plug or igniter.
4. Fuel system problems: Check to see if water has entered the fuel. If water has entered, clean the carburetor with gasoline. Determine whether the cylinder block is full of fuel, disconnect the spark plug, press the air filter hole firmly with your fingers, start it at idle several times, and smell the fuel smell with your fingers. Determine if the oil supply channel is leaking and change the position of the air damper to see if it can start.
5. Power conversion system and gas delivery system problems: Disconnect the spark plug and press the air filter hole firmly with your fingers. If no compressed gas escapes after idling several times, there is a problem with the power conversion system and gas distribution system.
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Generally, several wires or terminals of the generator have prescribed markings. After servicing the generator, the generator wiring must be connected correctly according to the markings. Except for one of the lead wires or terminals of the permanent magnet alternator which is a ground wire, the other wires are live wires. When generator leads or terminals are not marked, or the markings are unclear, or the meaning of the markings is forgotten, the following methods can be used to identify the ground wires.
(1) Fire test method.
When the generator is operating normally, use a wire to rub against each other. If sparking occurs when a certain wire rubs against the other two wires, then the wire is a ground wire, the other wires are live wires.
(2) Voltmeter measurement method.
When the generator is runningNormally, connect the test lead at one end of the voltmeter to one jumper wire and the other test lead to the other jumper wires, respectively. The voltage between the ground wire and the voltage. The wire is greater than two The tension between the live wires is low. For example,
If the voltage between a certain wire and other wires is around 6 volts, the wire is a ground wire.
If you don't have a voltmeter, you can also use a 12 volt bulb (the voltage is too low and the bulb is easy to burn out) and connect it to the two lead wires and determine the voltage depending on the brightness of the light. When the ground wire and the live wire are connected, the light is darker, and when the two live wires are connected, the light is brighter.