Diesel Generator Tech

The use of the coolant in the cooling system is to prevent corrosion and formation of scale in the cooling circuit and within the engine. We should never use water alone, as a coolant in diesel engines since water itself can be corrosive at high operating temperatures. The use of coolant in diesel generator solves the problems of poor cooling and high temperature of the diesel generating set. Usually, we should replace the cooling liquid every one and a half years to two years. The standard replacement cycle of the cooling liquid will be very helpful for the genset protection. It can form a protective film on the surface of cylinder sleeve of the generator set so as to prevent the occurrence of cavitation and reducing wear and corrosion, which can prolong the maintenance intervals of the   genset   and reduce the maintenance cost. On the contrary, non-replacement for a long time, it will definitely reduce the using effects. So what problems should be paid attention to i...

Generator is a device that converts mechanical energy into electrical energy for use in an external circuit. At present, generators are widely used in industry and agriculture, national defense, science and technology as well as our daily life. Working principle of generator Generator works by moving electrical conductors through a magnetic field. If your generator doesn’t have magnets, it won’t produce electricity. The magnetic field is created by taking some of the generator output voltage and converting it to DC and feeding it to a coil to make an electro magnet. Nowadays, the generator degree of automation is high, the control circuit is also complex, thus, some faults may occur when the generator set is at work, which directly affect the normal power supply operation of the unit.   So during the normal operation of the genset, except monitoring and analyzing the data on system instrument, it is also necessary to observe whether the parameters of the generator on ...

This article mainly introduces the basic structure of diesel generator set. If you are interested, take a few minutes to read it. Hope it is helpful. The basic structure of diesel generator set is composed of diesel engine and generator. Diesel engine is used as power to drive generator to generate electricity.   Nowadays, the diesel generator is widely used in many fields, such as mines, railways, field sites, road traffic maintenance, factories, enterprises and hospitals and so on. Diesel generator set is generally composed of four parts:  diesel engine , AC synchronous generator, control panel and common base. The image below will help you understand better. Structure of Diesel Generator Set Diesel Engine Diesel Engine is a compression ignition engine with diesel fuel. It is widely used as the prime mover for electrical power generating unit in the range from 20 KW to 5000 KW. Diesel engine is classified in different ways. It can be classified in a...

This article is mainly written to introduce the function of diesel generator air filter as well as its maintenance period. If you are interested, then read on. It is mainly used to filter the particulates and impurities in the air so as to reduce the  wear of the piston rod, valve gear and the cylinder. Usually, the air filter consists of two parts: filter element and shell. In general, there are two types of air filters, dry type and wet type. A dry type air filter is a filter that separates the impurities from the air through a dry type filter element. However, a wet type air filter includes oil-immersed and oil-bath two types. The main function of the oil-immersed type filter is to separate the impurities from the air through the filter element. The main function of the oil-bath type filter is to import the dusty air into the oil tank to remove most dust. Usually, air filtration has three ways, inertia, filter and oil-bath way. Inertia type:   Because th...

Diesel generator battery is the power supply equipment for starting electrical machinery operation. When the diesel engine is started, it is required that the battery can supply low voltage and high current (200~600A) for starting electrical machinery in a short time. When  the diesel engine is in low speed or parking, the voltage output by generator is insufficient or stops working, the storage battery can supply the electric current for the electrical equipment of the diesel engine. What is the function of the Battery? The Battery is the storage device for the energy supplied by the battery chargers. It stores this energy by converting the electrical energy to chemical energy and then to electrical energy. It supplies power to the cranking motor to start the engine. It supplies the extra power necessary when the engine's electrical load exceeds the supply from the charging system. It also acts as a voltage stabilizer in the electrical system, where it evens out voltage ...

The charging alternator is simply a three phase ac synchronous generator with solid state, self-contained, rectifiers and regulators. The charging alternator is driven by the diesel engine via a belt and generators alternating current power. The ac power is rectified to a Direct Current power. The output of the charging alternator is connected to the starting batteries. It should be noticed that this charger only charges the battery when the engine is running. Therefore if the  genset  is meant to be for standby duty then a separate electrical battery charger needs to be used. Because the charging alternator regulator is contained within the alternator itself, depending on the frame for its ground return. This can result in incorrect voltage sensing by t he regulator and a separate ground return wire should be used from the battery to the alternator. Now, let me introduce the basic information about static battery charger to you. Actually, the static battery charge...

Here, I am willing to share the basic working principle of diesel engine fuel filter. The purpose of any diesel  fuel filter is to remove foreign particles as well as water. The use of a suitable filtration system on diesel engines is a must to avoid damage to closely fitted injection pump and injector components.  Filter's ability varies between the type and manufacturer. On diesel engines primary and secondary filters are used. The primary filter is capable of removing dirt particles down to 30 microns and the secondary filter between 10 to 12 microns. Secondary filters are available between 3 and 5 microns, which are used in severe service operations. The primary filter is usually located between the tank and the supply pump, the FWS is one type of the primary filters. The secondary filter between the supply pump and the injection pump. Diesel fuel filter is referred to as full-flow filter, because all the fuel must pass through it before reaching the injection ...

If you are looking for the difference between Cummins generator and Ricardo generator, the following points will be useful for you to understand. Continue reading. A represents Cummins generator , B represents Ricardo generator. 1. Performance Characteristics A: Cummins patent technology PT fuel system, ultra-high injection pressure, to ensure good atomization of the engine and sufficient combustion. B: The whole forged steel crankshaft, high quality alloy cast iron cylinder head, small size, light weight, small vibration, low noise, low oil consumption, and high reliability. 2. Cylinder Block A: High strength alloy cast iron manufacturing, good rigidity, small vibration, low noise. B: Using the world’s leading technology, alloy cast iron material is uniformly, fine casting, high strength, light weight, compared with the same displacement diesel engine, the weight and volume are decreased significantly. 3. Cylinder Head A: Four valves per cylinder, ...

The following article mainly introduces the maintenance tips for oil transfer pump of diesel engine. If you are interested, take a few time to read it. Oil pump is an important part of diesel generator. In the process of using the diesel genset , only regularly checking and maintaining the oil transfer pump can guarantee the normal operation of the generating set. Maintenance tips 1. Before installing the oil transfer pump on diesel generating set, check whether the model and specification are correct or not; remove rust preventive oil and choose the appropriate thickness gasket. In order to avoid piston running improperly, the gasket should avoid too thin or thick, and the tightening torque should be uniform to prevent damage to the oil pump. 2. The coarse filter core within the oil pump is easily blocked by cotton and other dirt, you should reguarly check and clean it. If the strainer is damaged, you should repair or change it timely. 3. There is a rubb...

Generator proper maintenance not only can reduce the cost of repair but also prolong its service life. The various types of generators used on the unit, such as synchronous generator, charging alternator, series generator and excitation generator. No matter what type of generator, the maintenance is basically the same. The routine maintenance should be done at work or after work. Thus, it can ensure maximum service time for the generator and a smooth operation. The maintenance tips include the following aspects: 1. Keep generator outer surface and the surrounding environment clean, no any objects are allowed in the generator casing or inner. Remove the sediment, oil and dust, avoid blocking heat dissipation, which can make the electrical generator overheating. 2. Prevent the oil, water and other liquid dripping or leaking into the generator interior. Besides, do not make metal objects (such as iron nails , screwdrivers and coins, etc) fall into the generator interior. If found...

This article mainly talks about the basic components of electric starting system. If you are interested, take a few time to read the post. The engine driven charging alternator converts the mechanical energy from the engine to electrical energy and charges the engine batteries while the engine is running to maintain the batteries fully charged. When the engine is called to start the batteries will supply the starting ampere-hour to the cranking motor via the cranking solenoid. The cranking motor converts the electrical energy from the batteries to mechanical energy to crank the engine up to a certain speed where it can fire up by itself. This speed is usually one third the rated speed of the engine. Basic components of Electric Starting System 1. Battery 2. Chargers 3. Cranking Motor 4. Cranking Solenoid 5. Starting Relay 6. Control System Electric Starting System for gas turbine aircraft are of two general types: Direct cranking electrical systems and starte...