CN218347461U - Power system of auxiliary device of vehicle-mounted gas turbine unit - Google Patents
Power system of auxiliary device of vehicle-mounted gas turbine unit Download PDFInfo
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- CN218347461U CN218347461U CN202222199185.6U CN202222199185U CN218347461U CN 218347461 U CN218347461 U CN 218347461U CN 202222199185 U CN202222199185 U CN 202222199185U CN 218347461 U CN218347461 U CN 218347461U
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Abstract
The utility model discloses a power system of an auxiliary device of a vehicle-mounted gas turbine unit, which comprises a UPS device, a low-voltage generator, a gas turbine, a gear box, a driving device, a unit starting system and a unit auxiliary system, wherein the UPS device, the low-voltage generator, the gas turbine, the gear box, the driving device, the unit starting system and the unit auxiliary system are fixedly arranged on a bottom plate; the bottom plate is arranged on the vehicle chassis; the gear box is connected with the unit starting system, the gas turbine, the driving equipment and the low-voltage generator through transmission shafts respectively; one end of the unit starting system is connected with an engine of a vehicle chassis, and the other end of the unit starting system is connected with a gear box through a transmission shaft; the driving device is used for converting mechanical energy transmitted from the gearbox into required electric energy or kinetic energy; the input end of the UPS device is connected with the commercial power charging port and the output end of the low-voltage generator; the output end of the low-voltage generator and the commercial power charging port are connected with the auxiliary system through the bypass switch; the low voltage generator is used to convert the mechanical energy transferred from the gearbox into a low voltage alternating current in line with the mains. The utility model discloses can expand gas turbine's use scene, improve and use the reliability.
Description
Technical Field
The utility model relates to a gas turbine technical field, in particular to on-vehicle gas turbine unit auxiliary device driving system.
Background
The Gas Turbine (Gas Turbine) is a rotary power machine which takes continuously flowing Gas as a working medium and converts the heat energy of the working medium into mechanical power. Gas turbines are prime movers for the combustion of fossil fuels to produce power.
Gas turbine startup and ventilation, heat dissipation, lighting and other auxiliary equipment require external power. At present, most of gas turbine units are located at fixed positions of plants, distributed energy stations and the like, when the gas turbine units are started, external commercial power is used for directly driving motors or hydraulic stations and the like to serve as power sources, and power sources of all auxiliary systems are also directly provided by the external commercial power.
When the gas turbine is used as emergency power equipment such as a mobile emergency power supply and emergency drainage equipment, the commercial power can not be normally used as an external starting and auxiliary system power supply under the condition of field or commercial power failure, and a small diesel generator set is often required to be used as a power supply source. The power of the power required by the gas turbine starting system is larger, but only the unit starting process needs to be used, and the time is shorter; the power of each auxiliary system is smaller, but the unit needs to be used for a long time during operation, the service life is long, and if a diesel generator set is used, the power capacity of the diesel generator set simultaneously meets the requirements, and the diesel generator set with higher power needs to be used. This greatly limits the use of the gas turbine, increases the use costs, reduces the reliability of the use of the gas turbine assembly, and also has a long start-up preparation time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an on-vehicle gas turbine unit auxiliary device driving system, can the machine reduce the reliance to external power equipment, expand gas turbine's use scene, improve the reliability that gas turbine unit used, shorten gas turbine unit start preparation time.
In order to solve the technical problem, the utility model provides a power system of an auxiliary device of a vehicle-mounted gas turbine unit, which comprises a UPS device 6, a low-voltage generator 5, a gas turbine 2, a gear box 3, a driving device 4, a unit starting system 1 and a unit auxiliary system 7, wherein the UPS device is fixedly arranged on a bottom plate;
the floor is arranged on a vehicle chassis;
the gear box 3 is connected with the unit starting system 1, the gas turbine 2, the driving equipment 4 and the low-voltage generator 5 through transmission shafts respectively and is used for power transmission and rotating speed matching conversion among the unit starting system 1, the gas turbine 2, the driving equipment 4 and the low-voltage generator 5;
one end of the unit starting system 1 is connected with a vehicle chassis engine, and the other end of the unit starting system is connected with a gear box 3 through a transmission shaft and used for obtaining power from the vehicle chassis engine to drive gears in the gear box 3 to rotate;
the driving device 4 is used for converting the mechanical energy transmitted from the gear box 3 into required electric energy or kinetic energy;
the input end of the UPS device 6 is connected with a commercial power charging port and the output end of the low-voltage generator 5;
the output end of the low-voltage generator 5 and a commercial power charging port are connected with the unit auxiliary system 7 through a bypass switch 52;
the low voltage generator 5 is used for converting the mechanical energy transmitted from the gear box 3 into low voltage alternating current consistent with the commercial power.
Preferably, the UPS device 6 includes a rectifier 61, a battery 62, and an inverter 63;
the output end of the rectifier 61 is connected with the direct current end of the inverter 63 and the storage battery 62;
the input end of the rectifier 61 is connected with one end of a motor power supply switch A1, one end of a mains supply switch A2 and one end of a bypass switch 52;
the other end of the generator power supply switch A1 is connected with the output end of the low-voltage generator 5;
the other end of the commercial power supply switch A2 is connected with a commercial power charging port;
the AC end of the inverter 63 and the other end of the bypass switch 52 are connected with the auxiliary system 7 of the generator set.
Preferably, the generator power supply switch A1 and the utility power supply switch A2 are disposed in the same automatic transfer switching device.
Preferably, the input end of the rectifier 61 is connected to one end of the motor power supply switch A1, one end of the commercial power supply switch A2 and one end of the bypass switch 52 through an input switch 60.
Preferably, a first static switch S1 is connected in series between the other end of the bypass switch 52 and the unit auxiliary system 7;
a second static switch S2 is connected in series between the alternating current end of the inverter 63 and the unit auxiliary system 7;
the on-off states of the first static switch S1 and the second static switch S2 are opposite;
when the UPS device 6 is normal, the first static switch S1 is switched off, and the second static switch S2 is switched on;
when the UPS device 6 is abnormal, the first static switch S1 is turned on, and the second static switch S2 is turned off.
Preferably, the UPS device 6 further comprises an isolation transformer 66, a filter 65;
the isolation transformer 66 is connected between the ac terminal of the inverter 63 and the second static switch S2;
one end of the filter 65 is connected to the ac end of the inverter 63, and the other end is grounded.
Preferably, the driving device 4 is a high-voltage generator, a water pump or a fan;
the output of the high-voltage generator is greater than 800VAC;
the commercial power is 380VAC or 240VAC.
Preferably, the unit auxiliary system 7 includes at least one of a ventilation motor, a lubrication motor, a fan, and a lighting device.
Preferably, the unit starting system 1 comprises a chassis power takeoff 11, a variable hydraulic pump 12 and a hydraulic motor 13;
the chassis power takeoff 11 is positioned on an automobile chassis and is used for driving the variable hydraulic pump 12 to output high-pressure hydraulic oil to drive the hydraulic motor 13, driving the gear in the gear box 3 and the gas turbine 2 to rotate and providing power for the gas turbine 2 in the starting stage of the gas turbine 2;
the output shaft of the hydraulic motor 13 is connected with the corresponding gear transmission shaft of the gear box 3 through an overspeed tripping device, and when the rotating speed of the output shaft of the hydraulic motor 13 is higher than that of the corresponding gear transmission shaft of the gear box 3, the gas turbine 2 and the driving equipment 4 are driven to rotate; when the rotating speed of the output shaft of the hydraulic motor 13 is lower than the rotating speed of the corresponding gear transmission shaft of the gear box 3, the overspeed tripping device acts, and the output shaft of the hydraulic motor 13 is separated from the mechanical connection with the corresponding gear transmission shaft of the gear box 3.
The utility model discloses an on-vehicle gas turbine unit auxiliary device driving system, auxiliary device driving system demand among the unit auxiliary system to on-vehicle gas turbine unit, use vehicle chassis as carrying platform, adopt the mode that vehicle chassis engine and UPS device combine, the black power that starts each auxiliary device in power and the unit auxiliary system of providing gas turbine, utilize vehicle chassis engine to reduce the reliance to outside power equipment, gas turbine's use scene has been expanded, the reliability that improves gas turbine unit and use, gas turbine unit start preparation time has been shortened, be fit for the gas turbine unit and do the removal and use emergently.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a power train of an auxiliary device of an on-board gas turbine unit according to the present invention.
Description of the reference numerals:
1, starting a system of a unit; 11 a chassis power takeoff; 12 variable hydraulic pump; 13 a hydraulic motor; 2, a gas turbine; 3, a gear box; 4 driving the equipment; 5 a low voltage generator; 7, a unit auxiliary system; 6UPS devices; 61 a rectifier; 62 a battery; 63 an inverter; 60 input switches; 52 a bypass switch; a1, a generator power supply switch; a2, a mains supply switch; s1, a first static switch; s2, a second static switch; 66 an isolation transformer; and 65 a filter.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1, the power system of the auxiliary device of the vehicle-mounted gas turbine unit includes a UPS device 6 (uninterruptible power supply device) fixedly installed on a base plate, a low-voltage generator 5, a gas turbine 2, a gear box 3, a driving device 4, a unit starting system 1, and a unit auxiliary system 7;
the floor is arranged on a vehicle chassis;
the gear box 3 is connected with the unit starting system 1, the gas turbine 2, the driving equipment 4 and the low-voltage generator 5 through transmission shafts respectively and is used for power transmission and rotating speed matching conversion among the unit starting system 1, the gas turbine 2, the driving equipment 4 and the low-voltage generator 5; the gear box 3 transmits the power of the gas turbine 2 to the driving device 4 and reduces the high rotating speed output by the gas turbine 2 to a low rotating speed matched with the driving device 4;
one end of the unit starting system 1 is connected with a vehicle chassis engine, and the other end of the unit starting system is connected with a gear box 3 through a transmission shaft and used for obtaining power from the vehicle chassis engine to drive gears in the gear box 3 to rotate;
the driving device 4 is used for converting the mechanical energy transmitted from the gear box 3 into required electric energy or kinetic energy;
the input end of the UPS device 6 is connected with a commercial power charging port and the output end of the low-voltage generator 5;
the output end of the low-voltage generator 5 and a commercial power charging port are connected with the unit auxiliary system 7 through a bypass switch 52;
the low voltage generator 5 is adapted to convert the mechanical energy transferred from the gearbox 3 into low voltage alternating current in accordance with the mains.
The Power system of the auxiliary device of the vehicle-mounted gas turbine unit according to the first embodiment uses the vehicle chassis as a carrying platform for the requirement of the Power system of the auxiliary device in the unit auxiliary system 7 of the vehicle-mounted gas turbine unit, and provides black start Power of the gas turbine 2 and Power of each auxiliary device in the unit auxiliary system 7 in a manner of combining a vehicle chassis engine and a UPS (Uninterruptible Power Supply) device 6, so that the dependence on external Power equipment is reduced by using the vehicle chassis engine, the use scene of the gas turbine 2 is expanded, the reliability of the use of the gas turbine 2 unit is improved, the start preparation time of the gas turbine 2 unit is shortened, and the Power system is suitable for the gas turbine 2 unit to be used for mobile emergency.
The power system of the auxiliary device of the vehicle-mounted gas turbine unit according to the first embodiment is implemented by turning on the bypass switch 52 when the power system requires uninterrupted power supply to the load (unit auxiliary system) and maintenance is performed on the inside of the UPS device 6, which is convenient for maintenance.
Example two
Based on the vehicle-mounted gas turbine unit auxiliary device power system of the first embodiment, the UPS device 6 includes a rectifier 61, a battery 62, and an inverter 63;
the output end of the rectifier 61 is connected with the direct current end of the inverter 63 and the storage battery 62;
the input end of the rectifier 61 is connected with one end of a motor power supply switch A1, one end of a mains supply switch A2 and one end of a bypass switch 52;
the other end of the generator power supply switch A1 is connected with the output end of the low-voltage generator 5;
the other end of the commercial power supply switch A2 is connected with a commercial power charging port;
the AC end of the inverter 63 and the other end of the bypass switch 52 are connected with the auxiliary system 7 of the generator set.
Preferably, the generator power supply switch A1 and the utility power supply switch A2 are disposed in the same ATS (AutomaTIc transfer switching equipment). An ATS (AutomaTIc transfer switching apparatus) is a switching apparatus for switching two or more power supplies or loads. The change-over switch is composed of multiple contacts, and is used for connecting and disconnecting the circuit infrequently, connecting the power supply and the load, measuring the three-phase voltage, controlling the positive and negative rotation of the small-capacity asynchronous motor, starting the star-delta, and the like in electrical equipment. These components are fastened as a whole by bolts. ATS is mainly used in emergency power systems to automatically switch load circuits from one power supply to another (backup) power supply switching appliance to ensure continuous and reliable operation of critical loads. Therefore, ATS is often used in important electric places, and the reliability of the product is particularly important.
Preferably, the input end of the rectifier 61 is connected to one end of the motor power supply switch A1, one end of the commercial power supply switch A2 and one end of the bypass switch 52 through an input switch 60.
In the power system of the auxiliary device of the vehicle-mounted gas turbine unit according to the second embodiment, the UPS device 6 mainly includes an AC-DC-AC conversion main loop composed of a rectifier 61 and an inverter 63, and a storage battery 62, wherein the rectifier 61 is configured to rectify and transform AC power inputted to an input terminal thereof and output DC power to the storage battery 62 and the inverter 63; the inverter 63 is configured to invert the direct current output by the rectifier 61 and the battery 62 into an alternating current to supply power to the unit auxiliary system 7; an automatic transfer switching system (ATS) controls the input of a main AC power supply, and a rectifier 61 converts the AC power supply into a DC power supply to charge a battery 62 and also supplies the DC power supply to an inverter 63 to perform DC/AC conversion, thereby converting the DC power supply supplied from the rectifier 61 and the battery 62 into an AC power supply and outputting the AC power supply. The battery 62 supplies the unit auxiliary system 7 with electric energy in the event of a failure of the ac input power supply. When the ac power supply connected to the input terminal of the UPS device 6 is normal, the rectifier 61 and the inverter 63 operate simultaneously to supply power to the unit auxiliary system 7 and charge the battery 62; when the AC power supply connected to the input end is abnormal, the rectifier 61 stops working, and the storage battery 62 supplies power to the unit auxiliary system 7 through the inverter 63; thereby ensuring that the power supply of the auxiliary system 7 of the machine set is not interrupted.
EXAMPLE III
Based on the power system of the auxiliary device of the vehicle-mounted gas turbine unit in the second embodiment, a first static switch S1 is connected in series between the other end of the bypass switch 52 and the unit auxiliary system 7;
a second static switch S2 is connected in series between the alternating current end of the inverter 63 and the unit auxiliary system 7;
the on-off states of the first static switch S1 and the second static switch S2 are opposite; the first static switch S1 and the second static switch S2 can be composed of silicon controlled rectifiers which are connected in parallel in an opposite direction;
when the UPS device 6 is normal, the first static switch S1 is turned off, and the second static switch S2 is turned on;
when the UPS device 6 is abnormal, the first static switch S1 is turned on, and the second static switch S2 is turned off.
Preferably, the UPS device 6 further comprises an isolation transformer 66, a filter 65;
the isolation transformer 66 is connected between the ac terminal of the inverter 63 and the second static switch S2; the converted alternating current of the inverter 63 is output through an isolation transformer;
one end of the filter 65 is connected to the ac end of the inverter 63, and the other end is grounded.
In the power system of the auxiliary device of the vehicle-mounted gas turbine unit in the third embodiment,
example four
Based on the power system of the auxiliary device of the vehicle-mounted gas turbine unit in the first embodiment, the driving equipment 4 is a high-voltage generator, a water pump or a fan and the like;
the output of the high voltage generator is greater than 800VAC;
the commercial power is 380VAC or 240VAC.
Preferably, the unit auxiliary system 7 includes at least one auxiliary device selected from a ventilation motor, a lubrication motor, a fan, and a lighting device, and is configured to provide ventilation, lubrication, heat dissipation, and lighting functions for the gas turbine unit.
EXAMPLE five
Based on the power system of the auxiliary device of the vehicle-mounted gas turbine unit of the fourth embodiment, the unit starting system 1 comprises a chassis power takeoff 11, a variable hydraulic pump 12 and a hydraulic motor 13;
the chassis power takeoff 11 is positioned on an automobile chassis and used for driving the variable hydraulic pump 12 to output high-pressure hydraulic oil to drive the hydraulic motor 13, driving the gears in the gear box 3 and the gas turbine 2 to rotate and providing power for the gas turbine 2 at the starting stage of the gas turbine 2;
the output shaft of the hydraulic motor 13 is connected with the corresponding gear transmission shaft of the gear box 3 through an overspeed tripping device, and when the rotating speed of the output shaft of the hydraulic motor 13 is higher than that of the corresponding gear transmission shaft of the gear box 3, the gas turbine 2 and the driving equipment 4 are driven to rotate; when the rotating speed of the output shaft of the hydraulic motor 13 is lower than the rotating speed of the corresponding gear transmission shaft of the gear box 3, the overspeed tripping device acts, and the output shaft of the hydraulic motor 13 is separated from the mechanical connection with the corresponding gear transmission shaft of the gear box 3.
The power system of the auxiliary device of the vehicle-mounted gas turbine unit in the fifth embodiment works as follows:
the first stage, the gas turbine 2 unit starts the preparation stage, the inverter 63 inverts the direct current of the storage battery 62 into alternating current and supplies the alternating current to the vehicle control system, and the vehicle control system is electrified to complete self-checking; starting a vehicle chassis engine;
in the second stage, in the starting stage of the gas turbine 2 unit, the inverter 63 inverts the direct current of the storage battery 62 into alternating current and supplies the alternating current to auxiliary equipment in the unit auxiliary system 7 such as a lubricating motor and a ventilation motor; the vehicle chassis engine provides power, the chassis power takeoff 11, the variable hydraulic pump 12 and the hydraulic motor 13 of the unit starting system 1 drive the gas turbine 2 to start rotating through the gear box 3, and after the ignition rotating speed is reached, fuel is sprayed and ignited to jointly provide power for accelerating the gas turbine 2;
in the third stage, in the idling stage of the gas turbine 2 unit, the gas turbine 2 can provide power by fuel combustion to keep the rotating speed of the gas turbine 2, the hydraulic motor 13 is already tripped, and at the moment, the inverter 63 still inverts the direct current of the storage battery 62 into alternating current to supply power to auxiliary equipment in the unit auxiliary system 7; the unit starting system 1 stops, and the vehicle chassis engine can stop;
in the fourth stage, the full-speed operation stage of the gas turbine 2 unit, the gas turbine 2 is accelerated to full speed, the driving equipment 4 such as the generator, the water pump and the like has normal operation conditions and can start to work, the low-voltage generator 5 also reaches the rated rotation speed, is automatically excited and generates rated voltage (for example 380 VAC) consistent with the commercial power to supply power to the UPS device 6, and at the moment, the UPS device 6 rectifies the ac power accessed from the low-voltage generator 5 into dc power and then charges the storage battery 62, and at the same time, the inverter 63 inverts into ac power and then supplies power to the auxiliary equipment. When the storage battery 62 is charged and the gas turbine 2 unit needs to operate for a long time, the bypass switch 52 can be switched on to convert the UPS device 6 into a bypass power supply mode, and the accessed alternating current is provided to auxiliary equipment of the gas turbine unit through a bypass switch loop;
in the fifth stage, in the shutdown stage of the gas turbine 2, the low-voltage generator 5 stops excitation, the inverter 63 inverts the dc power of the battery 62 into ac power and supplies the ac power to the auxiliary devices in the unit auxiliary system 7, and after the shutdown of the gas turbine 2 is completed, the UPS device 6 may be turned off by turning off the input switch 60.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements and the like made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A power system of an auxiliary device of a vehicle-mounted gas turbine unit is characterized by comprising a UPS device (6), a low-voltage generator (5), a gas turbine (2), a gear box (3), a driving device (4), a unit starting system (1) and a unit auxiliary system (7) which are fixedly arranged on a bottom plate;
the floor is arranged on a vehicle chassis;
the gearbox (3) is connected with the unit starting system (1), the gas turbine (2), the driving equipment (4) and the low-voltage generator (5) through transmission shafts respectively and is used for power transmission and rotating speed matching conversion among the unit starting system (1), the gas turbine (2), the driving equipment (4) and the low-voltage generator (5);
one end of the unit starting system (1) is connected with a vehicle chassis engine, and the other end of the unit starting system is connected with a gear box (3) through a transmission shaft and used for obtaining power from the vehicle chassis engine to drive gears in the gear box (3) to rotate;
the driving device (4) is used for converting mechanical energy transmitted from the gear box (3) into required electric energy or kinetic energy;
the input end of the UPS device (6) is connected with a commercial power charging port and the output end of the low-voltage generator (5);
the output end of the low-voltage generator (5) and a commercial power charging port are connected with an auxiliary system (7) through a bypass switch (52);
the low-voltage generator (5) is used for converting the mechanical energy transmitted from the gearbox (3) into low-voltage alternating current consistent with commercial power.
2. The on-board gas turbine unit auxiliary unit power system according to claim 1,
the UPS device (6) comprises a rectifier (61), a storage battery (62) and an inverter (63);
the output end of the rectifier (61) is connected with the direct current end of the inverter (63) and the storage battery (62);
the input end of the rectifier (61) is connected with one end of a motor power supply switch (A1), one end of a mains supply switch (A2) and one end of a bypass switch (52);
the other end of the generator power supply switch (A1) is connected with the output end of the low-voltage generator (5);
the other end of the commercial power supply switch (A2) is connected with a commercial power charging port;
the alternating current end of the inverter (63) and the other end of the bypass switch (52) are connected with the auxiliary system (7) of the generator set.
3. The on-board gas turbine unit auxiliary device power system according to claim 2,
the generator power supply switch (A1) and the commercial power supply switch (A2) are arranged in the same automatic transfer switch electric appliance.
4. The on-board gas turbine unit auxiliary device power system according to claim 2,
the input end of the rectifier (61) is connected with one end of the motor power supply switch (A1), one end of the commercial power supply switch (A2) and one end of the bypass switch (52) through an input switch (60).
5. The on-board gas turbine unit auxiliary device power system according to claim 4,
a first static switch (S1) is connected in series between the other end of the bypass switch (52) and the unit auxiliary system (7);
a second static switch (S2) is connected in series between the alternating current end of the inverter (63) and the unit auxiliary system (7);
the on-off states of the first static switch (S1) and the second static switch (S2) are opposite;
when the UPS device (6) is normal, the first static switch (S1) is switched off, and the second static switch (S2) is switched on;
when the UPS device (6) is abnormal, the first static switch (S1) is switched on, and the second static switch (S2) is switched off.
6. The on-board gas turbine unit auxiliary unit power system according to claim 5,
the UPS device (6) further comprises an isolation transformer (66) and a filter (65);
the isolation transformer (66) is connected between the alternating current end of the inverter (63) and the second static switch (S2);
one end of the filter (65) is connected with the alternating current end of the inverter (63), and the other end of the filter is grounded.
7. The on-board gas turbine unit auxiliary device power system according to claim 1,
the driving equipment (4) is a high-voltage generator, a water pump or a fan;
the output of the high voltage generator is greater than 800VAC;
the commercial power is 380VAC or 240VAC.
8. The on-board gas turbine unit auxiliary device power system according to claim 1,
the unit auxiliary system (7) comprises at least one of a ventilation motor, a lubrication motor, a fan and a lighting device.
9. The on-board gas turbine unit auxiliary unit power system according to claim 1,
the unit starting system (1) comprises a chassis power takeoff (11), a variable hydraulic pump (12) and a hydraulic motor (13);
the chassis power takeoff (11) is positioned on an automobile chassis and used for driving the variable hydraulic pump (12) to output high-pressure hydraulic oil to drive the hydraulic motor (13) to drive the gears in the gear box (3) and the gas turbine (2) to rotate and provide power for the gas turbine (2) in the starting stage of the gas turbine (2);
the output shaft of the hydraulic motor (13) is connected with the corresponding gear transmission shaft of the gear box (3) through an overspeed tripping device, and when the rotating speed of the output shaft of the hydraulic motor (13) is higher than the rotating speed of the corresponding gear transmission shaft of the gear box (3), the gas turbine (2) and the driving equipment (4) are driven to rotate; when the rotating speed of the output shaft of the hydraulic motor (13) is lower than the rotating speed of the corresponding gear transmission shaft of the gear box (3), the overspeed tripping device acts, and the output shaft of the hydraulic motor (13) is mechanically disconnected with the corresponding gear transmission shaft of the gear box (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222199185.6U CN218347461U (en) | 2022-08-19 | 2022-08-19 | Power system of auxiliary device of vehicle-mounted gas turbine unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222199185.6U CN218347461U (en) | 2022-08-19 | 2022-08-19 | Power system of auxiliary device of vehicle-mounted gas turbine unit |
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| CN218347461U true CN218347461U (en) | 2023-01-20 |
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