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What is Power Factor Lagging and Lead of Generator Set?

Due to some users ask Starlight Power manufacturer about lagging and lead of generator set question, today Starlight Power Manufacturer shares with you. What is generator power factor lagging? In alternator current, based on voltage, the phase angle of current lags behind the phase angle of voltage, which is called current lagging behind voltage. COSф of voltage and current lagging angle is power factor, because current lagging behind voltage is lagging power factor. Lagging of a generator is a common phenomenon, which indicates that the phase of current lags behind the phase of voltage, indicating that the circuit is inductive and the load of generator is the main type.   What is generator power factor lead? Only in circuits using capacitive elements, the current will exceed the voltage. Lead, is a rare case, indicating the current phase lead voltage phase, indicating that the line presents capacitance, load capacitance is too large,usually the capacitance com...

How to Choose Lubricating Oil for Cummins Engine?

Since USA Cummins diesel engine was put on the market, it is very popular and quickly occupies the market because of small size, big power, advanced technology, reliable and durable, good applicability, low cost, easy maintenance and other advantages. Many users' diesel engines still work well after driving 400-500 thousand kilometers, or even 600-700 thousand kilometers. But some users’ diesel engines only drive several kilometers, there is serious damage. For serious situation, the oil consumption is serious and the power is obviously reduced. For very serious situation, even cause engine scrap. Why same type engine, but the use result is different? The main reason is improper use of engine lubricating oil. Firstly, when choose   engine lubricating oil , can not choose and know about engine lubricating oil correctly. As we know, about vehicle diesel engine oil, we should choose different grades of oil according to different types of diesel engines and different opera...