Gas turbine generator

A gas turbine generator and generator technology, applied in electromechanical devices, electrical components, electric components, etc., can solve problems such as exhaust gas cannot be used, generator cannot be moved, energy waste, etc., to save resources, reduce input costs, The effect of simple installation

Inactive Publication Date: 2006-12-13
SICHUAN DONGFENG ELECTRIC MACHINARY WORKS CO LTD
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AI-Extracted Technical Summary

Problems solved by technology

[0002] In petroleum, chemical, natural gas and other industrial fields, their requirements for mechanically driven power equipment are that they need to be mobile and can be operated in easily polluted and explosive outdoor places. Traditional generators are generally not movable, and machine pits must be excavated during installation. It ...
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Method used

Exciter 7 adopts intermediate frequency generator, and rectifier is placed on exciter 7 ends, so that rectifier is installed and overhauled, and all lead-out lines of unit all lead to be fixed on the outlet terminal box on floor 10, exciter 7 The other end is also connected with an auxiliary bearing 9, and the exciter 7 is fixed on the base 8 of the exciter.
The generator rotor 4 adopts an alloy forging, and the body is provided with radial embedding slots, and the two ends of the small teeth are provided with ventilation slots, and the larg...
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Abstract

The invention discloses a gas-turbine generator, which is characterized by the following: the generator is placed in the host cabinet; the floor 10 is integral floor; the wind screen 1 is set on the gas end bearing 2 side of generator; the exciter 7 is cased on the exciting end bearing 6 of generator. The invention is convenient to assemble, which improves heat efficiency and saves limit resource.

Application Domain

Technology Topic

Image

  • Gas turbine generator

Examples

  • Experimental program(1)

Example Embodiment

[0016] The present invention will be further described below in conjunction with the accompanying drawings: figure 1 As shown, the gas turbine generator adopts an integral box structure. The generator is placed in the main chassis. The main chassis is provided with an end cover 3. The generator adopts a dual-support brushless excitation structure. The floor 10 is an integral floor. 10 There are top plates and lifting bolts on both sides for adjusting the centerline position and left and right positions of the generator, and side plates for axial fixing. Both the end cover and the bottom cover adopt the steel plate welding structure. There is a generator lead-out box on the side, and an electric heater for generator heating and dehumidification is provided on the bottom cover. A windshield 1 is provided on the side of the bearing 2 of the generator steam end, and the exciter 7 is directly sleeved on the bearing 6 of the generator end. In order to enhance the stability of the unit, auxiliary supports are provided at the end of the motor, and the total length of the unit is about six meters. Use carbon dioxide to extinguish the fire.
[0017] The generator stator 5 is a square box structure. The stator coil adopts a basket-shaped half-coil, and the groove part adopts a 360-degree transposition. There is a hot air outlet on the top of the stator 5, and the outlet ends are located on both sides of the stator 5 with flexible outlet ends. , Outdoor rainproof neutral grounding cabinet is installed at the neutral point outlet.
[0018] The generator rotor 4 is made of alloy forgings. The body is provided with radial wire inserting slots. The small teeth are provided with ventilation slots at both ends, and the large teeth are also provided with ventilation slots to enhance the cooling of the rotor coil ends. The coil leads are all located in the exciter 7 sides, and lead from the center hole to the rectifier plate of the exciter.
[0019] The generator bearing adopts a sliding bearing with pressure forced oil circulation, and has a spherical bearing bush that can automatically adjust the center. The bearing covers of the steam end bearing 2 and the field end bearing 6 are equipped with double-layer oil baffle plates to prevent bearing oil leakage. Because the generator oil inlet temperature is much higher than the conventional unit, the conventional unit structure cannot meet the operating requirements. The material must be a high temperature resistant tungsten gold tile structure, and the end cover 3 is provided with a windshield 1 gripping position, and the bearing is equipped with a vibration measurement system and a display instrument.
[0020] The generator circulation ventilation system adopts a radial double-flow closed circulation ventilation system. There is no need to excavate the pit when the generator is installed. The air cooler 11 is installed horizontally in the air cooler box on the top of the generator, which is two sets of separately placed air coolers. , In order to prevent the air cooler from leaking, the air cooler box is equipped with a drainage device and a water leakage detector to monitor the operation status of the air cooler at any time.
[0021] The exciter 7 adopts an intermediate frequency generator. The rectifier disk is placed at the end of the exciter 7 to facilitate installation and maintenance of the rectifier disk. All the lead wires of the unit are led to the terminal box fixed on the floor 10. The other end of the exciter 7 is also An auxiliary bearing 9 is connected, and the exciter 7 is fixed on the base 8 of the exciter.
[0022] The motor does not have a permanent magnet machine, and the excitation power is taken from the generator end through the excitation transformer, which makes the overall structure of the generator more reasonable and compact, and reduces the amount of vulnerable units and maintenance.
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Description & Claims & Application Information

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