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The Difference between Electronic Speed ?governor and Mechanical Speed ?governor of Diesel Generator

Update:2017-06-15 14:41Author:admin
With the development of diesel generator technology and environmental protection requirements are getting higher and higher, the diesel generator exhaust pollution control will become more strick.This raises a higher demand for diesel fuel
With the development of diesel generator technology and environmental protection requirements are getting higher and higher, the diesel generator exhaust pollution control will become more strick.This raises a higher demand for diesel fuel injection systems. The application of the electronic governor makes the oil supply time more accurate, the fuel supply amount is more accurate, the regulation rate is more stable (the rate can be zero).
 
The main difference between the electronic governor and the mechanical governor is that current and voltage replace the centrifugal fly block and the governor spring . The existing electronic speed governor   system uses permanent magnet single column electromagnetic induction speed sensor (MPS) The sensor is installed in the engine crankshaft gear, the sensor contacts and gear teeth between the only very small air gap. When the teeth on the gear through the sensor contacts, the speed sensor magnetic field is disturbed, and thus in the sensor to produce the engine speed relative to the AC voltage pulse signal. The AC voltage signal is delivered to the vehicle-mounted computer control system (ECM), the control system automatically adjusts the fuel injection quantity and the optimum fueling time according to the preset value.
The number of voltage pulses is equal to the number of gear teeth multiplied by the engine speed, when the number of teeth in the gear is constant, the electromagnetic pulse generated in unit time is different at different speed.
 
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