Generator pdf

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Generators 8. Generators Fig. A steel Steel is the most suitable material. Generators The winding slots are cut in diametrically opposite pairs over about two-thirds of the circumference, leaving the pole faces without winding slots Fig.

Journal bearings are used. Generators It is important that the shaft at the turbine end of the generator is maintained at earth potential, using a pair of shaft-riding brushes connected to earth through a resistor.

Generators The stator outer casing provides support for the stator core, which can be tonnes, and acts as a pressure vessel in case of an explosion of the hydrogen cooling gas. In directly gas-cooled bars, hydrogen passes from end to end in cooling ducts.

Generators Rotating Brushless The exciter is connected to the free end of the generator shaft. Generators Bearing and shaft vibration on both ends of the generator may be monitored in terms of magnitude, phase and frequency at variable load conditions.

Oil whirl in bearings can cause vibration at 25 Hz. Generators Looseness can be corrected by tightening bolts or by inserting tightening wedges. If permanent mounting of accelerometers is not possible, a bump test, or impact frequency spectrum analysis is done with temporary vibration transducers and a calibrated impact hammer.

Generators Because of the inherent vibration and the large forces involved, the core must be held solidly together such that there are no natural frequencies near the once and twice per revolution forcing frequencies. Documents Similar To generators. Satish Kumar. Ramesh Babu. Onofre Algara Jr. Safder Jadoon.

Kay Karthi. Javier Gaete Obreque. Festo Didactic. Pravin Hande. Yakkali Kiran. Yeswanth Kumar. Mohammed Dyhia Ali. Rohan Arthur. Ashik Ahmed. Sridhar Sridhar. More From KVV. Iwan Surachwanto. Nikola Mugosa. Popular in Energy And Resource. Dinhtrung Truong. Edwin C. Noureddine Adj. Mervin Recolito. When loading or unloading the generator set to the truck, forklift or hoisting device shall be used to avoid the generator set become tilted or fell to the ground, 2. The installation of generator set shall be designed, so Lifting holes have been designed on the common that to meet the demand of planned operation and base frame of our generator sets.

Some of the maintenance. The complete installation shall conform specifically designed generator sets has been to local architecture laws, fire protection laws and facilitated with lifting holes on the roof and forklift other applicable regulations. Except the above openings on the base frame etc.

Users can transport matters, there are other matters needs your the generator set according to the guidance specified attention as follows: on the specific labels sticked on the generator set.

The silencer and exhaust pipe shall parts. Generally speaking, no foreign requirement. Only in this way we can generator set working room for the convenience of reduce the adverse effect caused by the vibration of operation and maintenance. When a generator set with a complete set of radiator Below is the layout for the open system generator set assembly has been installed in the working room, the working room. The diagram in the right side demonstrates the ideal position of a generator set in the working room.

The purpose of this arrangement is to get cold air from the lowest point as much as possible, and force them to pass through the radiator core, and then lead them out. Below is the layout for the canopy system generator set working room. Foundation drawing Refer to APPENDIX C Users can use metal plate or canvas to make a wind guide cover, the connection between wind guide cover and the radiator shall be soft connection, so Note: that to cut off the transmission of vibration from the Canopied generator set can work outdoor directly.

If generator set, and also ensure the hot air exhaust to users wants to operate the generator set indoor, outside thoroughly. And the wind requirements. The air inlet temperature of the engine shall be below 30 degree Celsius.

Otherwise the exhaust gas from the 1. When the top of the exhaust pipe is above the architecture, lightening protection is needed 2.

Users can design 2. In the area when there is low professional engineering. Otherwise, the radiator. Closed water chilling engine drive! If the installation position of the remote cooling fan is relatively higher, transmission radiator is needed to prevent the 2. And every year. And if filter of the coolant is installed, at therefore it is necessary to clean the radiator often.

Cooling system shall use the coolant which can When it is time to discharge the coolant, make sure protect the engine from contamination and freezing. In this liquid adding hole. The specific respectively to discharge the water. If the generator mixing ratio shall be according to local weather, and set is furnished with coolant filter, it shall be that of the coolant recommended by the engine detached from the engine and be changed.

Mix the liquids in a separate 2. For the first time lubricant, normally users shall Note: change it within hours upon and from the time If the cooling system is cleaned periodically, only rinse when the generator set first started. Note: The critical point is to use qualified lubricant oil which 2. If the cooling system is furnished with heater, the control valve for We recommend that high quality multi grade SAE the heater shall be opened.

Be sure that the generator set has pressure, of which all kinds of parameters such as stopped and become fully cooled before adding sulphur content etc. The coolant which needs to be of the external fuel system which includes fuel tank added to the radiator shall be of the same and connecting fuel pipes etc. The base frame style fuel tank is 1. This fuel supply system does not need Cetane Number customer to make other installations. In Not to exceed 0.

Not to exceed 0. Diameter WSD less than. High ash content leads maximum suction fuel head is no less than 2 meters. Return fuel engine. Low cetane fuels ignite later and burn slower. This is very important. Fuels fuel transfer pipe. If the generator set use soft that meet the requirements of ASTM or 2. Fuel return pipe shall be signal line users are required to correctly connect the connected to the top of fuel tank. In order to achieve to connect cables for the battery.

Untighten the battery cover, slowly used. In low temperature discharge, and fuel filter change cycle etc. Users can use the standard connecting cable attached with the generator set, the red color shall Warning: be connected to positive polar, black or blue to! When you intend to add fuel into the fuel tank, negative polar, correctly connect to the generator please make sure the generator set has been stopped. This shipment. During the power. The malfunction caused by bad quality of fuel does alternator installed in the engine will continuously not belong to the scope of warranty.

Please ensure the connection for positive and control panel. All of the control panels choose negative polar is correct. Wrong connection will imported digital meter as the core of control system cause malfunction! Wrong connection will surely for the generator sets. When generator set is running, battery cables are not allowed to be cut down! Any control wiring must also be disconnected. A V Megger or similar instrument should be used.

Disconnect any earthing conductor connected 2. Make electrical connections in compliance with relevant electrical codes, standards or other 2. Our diesel engine generator set use three phase five line system for power distribution. That is, three 2. Due to movement of generating sets on their The neutral line and the ground line are not vibration mounts, the electrical connection to the set connected. Users can choose three phase four lines should be made with flexible cable. The cable must for power distribution according to requirement that be suitable for the output voltage of the generating is to connect the neutral line to the ground base set and the rated current of the set.

In determining frame , so that to solve the problem of feint that the the size, allowances should be made for ambient neutral line sometimes is electriferous. Method of installation, proximity of other cables, etc. All connections should be carefully Note: checked for integrity. On the other hand, there is a base frames to the ground, please refer to the ground one more important point while cable cross sections label for connecting point.

If the distance between load and generator is too length, voltage falling at the load side can be too much at the transient current duration. Since the set is mounted on vibration isolators, the ground connection must be flexible to avoid possible breakage due to vibration. Ground connection cables or straps should have at least full load current carrying capacity and meet applicable regulations. Usually the time generator set can be put into use.

Each time before period for idle speed shall not exceed five minutes. If one time start to the engine normally. Operators shall establish good operation Operation procedure please refers to operation maintenance procedure, this is the precondition for manual. Warning: 3.

At the same parameters. Please press down the emergency stop on the control panel, so that to immediately shut down the Only when the correct and complete record for generator set. Under normal condition, please do not running maintenance has been kept very well, the use emergency stop to stop the generator set. Please not allowed to run the generator set with idle speed do not make cooling running under idle speed for a long time, it is not allowed to continuously run For some generator sets which have been installed the generator set under empty or small load.

Correct operation is: to press the stop exhaust system. It is not allowed to run the generator set with resumed, only in this way you can stop the generator overload in long time period, otherwise malfunction set. It is forbidden to detach or change the components of the generator set when it is running.

After the generator set stop running, it is necessary! When the generator set need to be shut down for a! These kinds of generator sets need to be continuously run with For each running operation, user shall make record. Running record has various forms.

The basic content! Appendix 6 electric governor D circuit diagram to the start position. Preheating time varies electronic control system has been used.