CN114389493A - Power generator set - Google Patents

Power generator set Download PDF

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Publication number
CN114389493A
CN114389493A CN202111362360.2A CN202111362360A CN114389493A CN 114389493 A CN114389493 A CN 114389493A CN 202111362360 A CN202111362360 A CN 202111362360A CN 114389493 A CN114389493 A CN 114389493A
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CN
China
Prior art keywords
electric
generator
alternating current
voltage
constant
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Pending
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CN202111362360.2A
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Chinese (zh)
Inventor
靳北彪
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Entropy Zero Technology Logic Engineering Group Co Ltd
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Entropy Zero Technology Logic Engineering Group Co Ltd
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Publication of CN114389493A publication Critical patent/CN114389493A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/08—Control of generator circuit during starting or stopping of driving means, e.g. for initiating excitation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/042—Rotating electric generators

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Synchronous Machinery (AREA)

Abstract

The invention discloses a generator set, which comprises an engine and a generator, wherein the engine and an excitation rotor of the generator are arranged in a transmission way, the excitation rotor comprises an electric ring, an electric brush is arranged in an electric communication way with the electric ring, the electric brush is arranged in an electric communication way with an excitation rotor short-circuit closing control device, a direct-current power supply conductor is arranged in an electric communication way with at least one phase winding of a stator generating winding of the generator through an electric control unit, and the electric control unit has the function of supplying alternating current to at least one phase winding of the stator generating winding through the direct-current power supply conductor. The generator set disclosed by the invention has the advantages of low cost, few parts and high starting reliability.

Description

Power generator set
Technical Field
The invention relates to the field of power, in particular to a generator set.
Background
The traditional generator set comprises a main generator and an engine starting motor, so that the structure is complex and high in cost, and if the main generator of the generator set can be used for starting the engine, the cost is low, the number of parts is small, and the starting reliability is high. Therefore, a new generator set needs to be invented.
Disclosure of Invention
In order to solve the above problems, the technical solution proposed by the present invention is as follows:
scheme 1: a generator set comprises an engine and a generator, wherein the engine is arranged in a transmission way with an excitation rotor of the generator, the excitation rotor comprises an electric ring, an electric brush is arranged in an electric communication way with the electric ring, the electric brush is arranged in an electric communication way with an excitation rotor short-circuit closing control device, a direct-current power supply conductor is arranged in an electric communication way with at least one phase winding of a stator generating winding of the generator through an electrical control unit, and the electrical control unit has the function of supplying alternating current to the at least one phase winding of the stator generating winding through the direct-current power supply conductor;
or the engine is arranged in a transmission way with an excitation rotor of the generator, the excitation rotor comprises an electrical ring, an electrical brush is arranged in an electrical communication way with the electrical ring, the electrical brush is arranged in an electrical communication way with an excitation rotor short circuit closing control device, a direct current power supply conductor is arranged in an electrical communication way with at least one phase winding of a stator generating winding of the generator through an electrical control unit, and the electrical control unit has the function of providing alternating current for a middle tap of at least one phase winding of the stator generating winding through the direct current power supply conductor.
Scheme 2: on the basis of the generator set in the scheme 1, a transformer is further arranged between the electrical control unit and the stator winding.
Scheme 3: a generator set comprises an engine and a generator, wherein the engine is arranged in a transmission way with an excitation rotor of the generator, the excitation rotor comprises an electric ring, an electric brush is arranged in an electric communication way with the electric ring, the electric brush is arranged in an electric communication way with an excitation rotor short-circuit closing control device, a direct-current power supply conductor is arranged in an electric communication way with at least one phase winding of a stator generating winding of the generator through an electric control unit, and the electric control unit has the functions of supplying alternating current to the at least one phase winding of the stator generating winding by the direct-current power supply conductor and supplying direct current to the direct-current power supply conductor by the at least one phase winding of the stator generating winding;
or, the engine is arranged in transmission with an excitation rotor of the generator, the excitation rotor comprises an electrical ring, an electrical brush is arranged in electrical communication with the electrical ring, the electrical brush is arranged in electrical communication with an excitation rotor short circuit closing control device, a direct current power supply conductor is arranged in electrical communication with at least one phase winding of a stator power generation winding of the generator through an electrical control unit, and the electrical control unit has a function of providing alternating current to a middle tap of the at least one phase winding of the stator power generation winding through the direct current power supply conductor and a function of providing direct current to the direct current power supply conductor through a middle tap of the at least one phase winding of the stator power generation winding.
Scheme 4: on the basis of the generator set in the scheme 3, a transformer is further arranged between the electrical control unit and the stator winding.
Scheme 5: a generator set comprises an engine and a generator, wherein the engine is in transmission arrangement with an excitation rotor of the generator, the excitation rotor comprises an electric ring, an electric brush is in electric communication with the electric ring, the electric brush is in electric communication with an excitation rotor short-circuit closing control device, a direct-current power supply conductor is in electric communication with a stator generating winding of the generator through an electrical control unit, and the electrical control unit has a function of supplying alternating current to the stator generating winding through the direct-current power supply conductor;
or the engine is in transmission with an excitation rotor of the generator, the excitation rotor comprises an electrical ring, an electric brush is in electrical communication with the electrical ring, the electric brush is in electrical communication with an excitation rotor short-circuit closing control device, a direct-current power supply conductor is in electrical communication with a stator power generation winding of the generator through an electrical control unit, and the electrical control unit has a function of providing alternating current for a middle tap of the stator power generation winding through the direct-current power supply conductor.
Scheme 6: on the basis of the generator set in the scheme 5, a transformer is further arranged between the electrical control unit and the stator winding.
Scheme 7: a generator set comprises an engine and a generator, wherein the engine is arranged in a transmission way with an excitation rotor of the generator, the excitation rotor comprises an electric ring, an electric brush is arranged in an electric communication way with the electric ring, the electric brush is arranged in an electric communication way with an excitation rotor short-circuit closing control device, a direct-current power supply conductor is arranged in an electric communication way with a stator generating winding of the generator through an electrical control unit, and the electrical control unit has the functions of supplying alternating current to the stator generating winding by the direct-current power supply conductor and supplying direct current to the direct-current power supply conductor by the stator generating winding;
or, the engine with the excitation rotor transmission setting of generator, the excitation rotor includes the electrical ring, the brush with electrical ring power intercommunication sets up, the brush with excitation rotor short circuit closed control device power intercommunication sets up, the direct current power supply electric conductor through electricity control unit with the stator power generation winding power intercommunication of generator sets up, electricity control unit have by the direct current power supply electric conductor to the function of stator power generation winding's centre tap provides the alternating current and by the centre tap of stator power generation winding provides the direct current function of direct current power supply electric conductor.
Scheme 8: on the basis of the generator set in the scheme 7, a transformer is further arranged between the electrical control unit and the stator winding.
Scheme 9: on the basis of the generator set in any one of the schemes 1 to 8, the alternating current is further made to be variable-frequency variable-voltage alternating current, variable-frequency constant-voltage alternating current, constant-frequency variable-voltage alternating current or constant-frequency constant-voltage alternating current.
Scheme 10: on the basis of the generator set in any one of the schemes 1 to 8, the alternating current is further made to be constant-frequency constant-voltage alternating current, the frequency of the constant-frequency constant-voltage alternating current is lower than one third of the normal working frequency of the generator, and the voltage of the constant-frequency constant-voltage alternating current is lower than one third of the normal working voltage of the generator.
Scheme 11: on the basis of the generator set in any one of the schemes 1 to 8, the alternating current is further made to be variable-frequency variable-voltage single-phase alternating current, variable-frequency constant-voltage single-phase alternating current, constant-frequency variable-voltage single-phase alternating current or constant-frequency constant-voltage single-phase alternating current;
or the alternating current is variable-frequency variable-voltage three-phase alternating current, variable-frequency constant-voltage three-phase alternating current, constant-frequency variable-voltage three-phase alternating current or constant-frequency constant-voltage three-phase alternating current.
Scheme 12: on the basis of the generator set in any one of the schemes 1 to 8, the alternating current is further made to be a fixed-frequency fixed-voltage single-phase alternating current, the frequency of the fixed-frequency fixed-voltage single-phase alternating current is lower than one third of the normal operating frequency of the generator, and the voltage of the fixed-frequency fixed-voltage single-phase alternating current is lower than one third of the normal operating voltage of the generator;
or, the alternating current is a fixed-frequency fixed-voltage three-phase alternating current, the frequency of the fixed-frequency fixed-voltage three-phase alternating current is lower than one third of the normal working frequency of the generator, and the voltage of the fixed-frequency fixed-voltage three-phase alternating current is lower than one third of the normal working voltage of the generator.
Scheme 13: on the basis of the generator set in any one of the schemes 1 to 8, the alternating current is further made to be a constant-frequency constant-voltage unidirectional alternating current or a constant-frequency constant-voltage three-phase alternating current with the voltage of 40 to 80 volts from 5 to 15 Hz.
In the present invention, necessary components, units, systems, and the like are installed where necessary according to a technique known in the power electronics and power field.
The generator set has the advantages of low cost, few parts and high starting reliability.
Drawings
FIG. 1 is a schematic view of the structural arrangement of the 1 st embodiment of the present invention;
fig. 2 is a schematic view of the structural arrangement of embodiment 2 of the present invention.
In the figure: short-circuit closing control device for 1 engine, 2 generator and 3 excitation rotor
4 electrical control unit 5 transformer
Detailed Description
Example 1
A generator set comprises an engine 1 and a generator 2, wherein the engine 1 and an excitation rotor of the generator 2 are arranged in a transmission mode, the excitation rotor comprises an electric ring, an electric brush is arranged in electric communication with the electric ring, the electric brush is arranged in electric communication with an excitation rotor short-circuit closing control device 3, a direct-current power supply conductor is arranged in electric communication with at least one phase winding of a stator generating winding of the generator 2 through an electrical control unit 4, and the electrical control unit 4 has the function of supplying alternating current to the at least one phase winding of the stator generating winding through the direct-current power supply conductor.
Example 2
A generator set comprises an engine 1 and a generator 2, wherein the engine 1 and an excitation rotor of the generator 2 are arranged in a transmission mode, the excitation rotor comprises an electric ring, an electric brush is arranged in electric communication with the electric ring, the electric brush is arranged in electric communication with an excitation rotor short-circuit closing control device 3, a direct-current power supply conductor is arranged in electric communication with at least one phase winding of a stator generating winding of the generator 2 through an electrical control unit 4, the electrical control unit 4 has the function of providing alternating current for the at least one phase winding of the stator generating winding through the direct-current power supply conductor, and a transformer 5 is arranged between the electrical control unit 4 and the stator winding.
Example 3
A generator set comprises an engine 1 and a generator 2, wherein the engine 1 and an excitation rotor of the generator 2 are arranged in a transmission mode, the excitation rotor comprises an electric ring, an electric brush is arranged in an electric communication mode with the electric ring, the electric brush is arranged in an electric communication mode with an excitation rotor short circuit closing control device 3, a direct-current power supply conductor is arranged in an electric communication mode with at least one phase winding of a stator power generation winding of the generator 2 through an electrical control unit 4, and the electrical control unit 4 has the function of providing alternating current for a middle tap of the at least one phase winding of the stator power generation winding through the direct-current power supply conductor.
Example 4
A generator set comprises an engine 1 and a generator 2, wherein the engine 1 and an excitation rotor of the generator 2 are arranged in a transmission mode, the excitation rotor comprises an electric ring, an electric brush is arranged in an electric communication mode with the electric ring, the electric brush is arranged in an electric communication mode with an excitation rotor short circuit closing control device 3, a direct-current power supply conductor is arranged in an electric communication mode with at least one phase winding of a stator power generation winding of the generator 2 through an electric control unit 4, the electric control unit 4 has a function of providing alternating current for a middle tap of the at least one phase winding of the stator power generation winding through the direct-current power supply conductor, and a transformer 5 is arranged between the electric control unit 4 and the stator winding.
Example 5
A generator set comprises an engine 1 and a generator 2, wherein the engine 1 and an excitation rotor of the generator 2 are arranged in a transmission mode, the excitation rotor comprises an electric ring, an electric brush is arranged in electric communication with the electric ring, the electric brush is arranged in electric communication with an excitation rotor short-circuit closing control device 3, a direct-current power supply conductor is arranged in electric communication with at least one phase winding of a stator generating winding of the generator 2 through an electrical control unit 4, and the electrical control unit 4 has the functions of supplying alternating current to the at least one phase winding of the stator generating winding through the direct-current power supply conductor and supplying direct current to the direct-current power supply conductor through the at least one phase winding of the stator generating winding.
As an alternative embodiment, the present embodiment may be implemented by further selectively arranging a transformer 5 between said electrical control unit 4 and said stator winding.
Example 6
A generator set comprises an engine 1 and a generator 2, wherein the engine 1 and an excitation rotor of the generator 2 are arranged in a transmission mode, the excitation rotor comprises an electric ring, an electric brush is arranged in electric communication with the electric ring, the electric brush is arranged in electric communication with an excitation rotor short-circuit closing control device 3, a direct-current power supply conductor is arranged in electric communication with at least one phase winding of a stator power generation winding of the generator 2 through an electric control unit 4, and the electric control unit 4 has the functions of supplying alternating current to a middle tap of the at least one phase winding of the stator power generation winding through the direct-current power supply conductor and supplying direct current to the direct-current power supply conductor through the middle tap of the at least one phase winding of the stator power generation winding.
As an alternative embodiment, the present embodiment may be implemented by further selectively arranging a transformer 5 between said electrical control unit 4 and said stator winding.
Example 7
A generator set comprises an engine 1 and a generator 2, wherein the engine 1 and an excitation rotor of the generator 2 are arranged in a transmission mode, the excitation rotor comprises an electric ring, an electric brush is arranged in an electric communication mode with the electric ring, the electric brush is arranged in an electric communication mode with an excitation rotor short circuit closing control device 3, a direct-current power supply conductor is arranged in an electric communication mode with a stator power generation winding of the generator 2 through an electrical control unit 4, and the electrical control unit 4 has the function of supplying alternating current to the stator power generation winding through the direct-current power supply conductor.
As an alternative embodiment, the present embodiment may be implemented by further selectively arranging a transformer 5 between said electrical control unit 4 and said stator winding.
Example 8
A generator set comprises an engine 1 and a generator 2, wherein the engine 1 and an excitation rotor of the generator 2 are arranged in a transmission mode, the excitation rotor comprises an electric ring, an electric brush is arranged in an electric communication mode with the electric ring, the electric brush is arranged in an electric communication mode with an excitation rotor short circuit closing control device 3, a direct-current power supply conductor is arranged in an electric communication mode with a stator power generation winding of the generator 2 through an electrical control unit 4, and the electrical control unit 4 has the function of supplying alternating current to a middle tap of the stator power generation winding through the direct-current power supply conductor.
As an alternative embodiment, the present embodiment may be implemented by further selectively arranging a transformer 5 between said electrical control unit 4 and said stator winding.
Example 9
A generator set comprises an engine 1 and a generator 2, wherein the engine 1 and an excitation rotor of the generator 2 are arranged in a transmission mode, the excitation rotor comprises an electric ring, an electric brush is arranged in electric communication with the electric ring, the electric brush is arranged in electric communication with an excitation rotor short-circuit closing control device 3, a direct-current power supply conductor is arranged in electric communication with a stator power generation winding of the generator 2 through an electrical control unit 4, and the electrical control unit 4 has the functions of supplying alternating current to the stator power generation winding through the direct-current power supply conductor and supplying direct current to the direct-current power supply conductor through the stator power generation winding.
As an alternative embodiment, the present embodiment may be implemented by further selectively arranging a transformer 5 between said electrical control unit 4 and said stator winding.
Example 10
A generator set comprises an engine 1 and a generator 2, wherein the engine 1 and an excitation rotor of the generator 2 are arranged in a transmission mode, the excitation rotor comprises an electric ring, an electric brush is arranged in electric communication with the electric ring, the electric brush is arranged in electric communication with an excitation rotor short-circuit closing control device 3, a direct-current power supply conductor is arranged in electric communication with a stator power generation winding of the generator 2 through an electrical control unit 4, and the electrical control unit 4 has the functions of supplying alternating current to a middle tap of the stator power generation winding through the direct-current power supply conductor and supplying direct current to the direct-current power supply conductor through a middle tap of the stator power generation winding.
As an alternative embodiment, the present embodiment may be implemented by further selectively arranging a transformer 5 between said electrical control unit 4 and said stator winding.
As a changeable implementation mode, any one of the foregoing embodiments 1 to 10 and the changeable implementation modes thereof of the present invention can be further selectively implemented to set the alternating current to be variable-frequency variable-voltage alternating current, variable-frequency constant-voltage alternating current, constant-frequency variable-voltage alternating current or constant-frequency constant-voltage alternating current.
As a changeable implementation manner, any one of the foregoing examples 1 to 10 and its changeable implementation manner of the present invention can be further selectively implemented to set the alternating current to be a constant frequency and constant voltage alternating current, the frequency of the constant frequency and constant voltage alternating current is lower than one third of the normal operating frequency of the generator 2, and the voltage of the constant frequency and constant voltage alternating current is lower than one third of the normal operating voltage of the generator 2.
As a changeable implementation manner, any one of the foregoing embodiments 1 to 10 and its changeable implementation manner of the present invention can be further selectively implemented to set the alternating current to be a variable-frequency variable-voltage single-phase alternating current, a variable-frequency constant-voltage single-phase alternating current, a constant-frequency variable-voltage single-phase alternating current or a constant-frequency constant-voltage single-phase alternating current.
As a changeable implementation mode, any one of the foregoing embodiments 1 to 10 and its changeable implementation modes of the present invention can be further selectively implemented to set the alternating current to be variable-frequency variable-voltage three-phase alternating current, variable-frequency constant-voltage three-phase alternating current, constant-frequency variable-voltage three-phase alternating current or constant-frequency constant-voltage three-phase alternating current.
As a changeable implementation manner, any one of the foregoing embodiments 1 to 10 and its changeable implementation manner of the present invention can be further selectively implemented to set the alternating current to be a constant-frequency constant-voltage single-phase alternating current, the frequency of the constant-frequency constant-voltage single-phase alternating current is lower than one third of the normal operating frequency of the generator 2, and the voltage of the constant-frequency constant-voltage single-phase alternating current is lower than one third of the normal operating voltage of the generator 2.
As a changeable implementation manner, any one of the foregoing examples 1 to 10 and its changeable implementation manner of the present invention can be further selectively implemented such that the alternating current is set to be a constant-frequency constant-voltage three-phase alternating current, the frequency of the constant-frequency constant-voltage three-phase alternating current is lower than one third of the normal operating frequency of the generator 2, and the voltage of the constant-frequency constant-voltage three-phase alternating current is lower than one third of the normal operating voltage of the generator 2.
In a practical implementation, any one of the embodiments 1 to 10 and its alternative embodiments of the present invention can be further selectively selected to set the ac power to a constant-frequency constant-voltage unidirectional ac power or a constant-frequency constant-voltage three-phase ac power with a voltage of 40 to 80 volts at 5 to 15 hz.
In the implementation process of the invention, necessary components, units, systems and the like are arranged at necessary positions according to the known technology in the fields of power electronics and power.
Obviously, the present invention is not limited to the above embodiments, and many modifications can be derived or suggested according to the known technology in the field and the technical solutions disclosed in the present invention, and all of these modifications should be considered as the protection scope of the present invention.

Claims (13)

1. A generator set comprising an engine (1) and a generator (2), characterized in that: the engine (1) is in transmission arrangement with an excitation rotor of the generator (2), the excitation rotor comprises an electric ring, an electric brush is in electric communication with the electric ring, the electric brush is in electric communication with an excitation rotor short circuit closing control device (3), a direct current power supply conductor is in electric communication with at least one phase winding of a stator generating winding of the generator (2) through an electrical control unit (4), and the electrical control unit (4) has a function of providing alternating current for the at least one phase winding of the stator generating winding through the direct current power supply conductor;
or, the engine (1) and an excitation rotor of the generator (2) are arranged in a transmission manner, the excitation rotor comprises an electric ring, an electric brush is arranged in electric communication with the electric ring, the electric brush is arranged in electric communication with an excitation rotor short circuit closing control device (3), a direct current power supply conductor is arranged in electric communication with at least one phase winding of a stator generating winding of the generator (2) through an electrical control unit (4), and the electrical control unit (4) has a function of providing alternating current for a middle tap of at least one phase winding of the stator generating winding through the direct current power supply conductor.
2. The generator set of claim 1, wherein: a transformer (5) is arranged between the electrical control unit (4) and the stator winding.
3. A generator set comprising an engine (1) and a generator (2), characterized in that: the engine (1) is in transmission arrangement with an excitation rotor of the generator (2), the excitation rotor comprises an electric ring, an electric brush is in electric communication with the electric ring, the electric brush is in electric communication with an excitation rotor short circuit closing control device (3), a direct current power supply conductor is in electric communication with at least one phase winding of a stator power generation winding of the generator (2) through an electrical control unit (4), and the electrical control unit (4) has the functions of supplying alternating current to the at least one phase winding of the stator power generation winding by the direct current power supply conductor and supplying direct current to the direct current power supply conductor by the at least one phase winding of the stator power generation winding;
or, the engine (1) is arranged in transmission with an excitation rotor of the generator (2), the excitation rotor comprises an electric ring, an electric brush is arranged in electric communication with the electric ring, the electric brush is arranged in electric communication with an excitation rotor short circuit closing control device (3), a direct current power supply conductor is arranged in electric communication with at least one phase winding of a stator generating winding of the generator (2) through an electrical control unit (4), and the electrical control unit (4) has a function of providing alternating current to a middle tap of at least one phase winding of the stator generating winding by the direct current power supply conductor and a function of providing direct current to the direct current power supply conductor by a middle tap of at least one phase winding of the stator generating winding.
4. The generator set of claim 3, wherein: a transformer (5) is arranged between the electrical control unit (4) and the stator winding.
5. A generator set comprising an engine (1) and a generator (2), characterized in that: the engine (1) and an excitation rotor of the generator (2) are arranged in a transmission manner, the excitation rotor comprises an electric ring, an electric brush is arranged in electric communication with the electric ring, the electric brush is arranged in electric communication with an excitation rotor short circuit closing control device (3), a direct-current power supply conductor is arranged in electric communication with a stator power generation winding of the generator (2) through an electrical control unit (4), and the electrical control unit (4) has a function of supplying alternating current to the stator power generation winding through the direct-current power supply conductor;
or the engine (1) and an excitation rotor of the generator (2) are arranged in a transmission manner, the excitation rotor comprises an electric ring, an electric brush is arranged in electric communication with the electric ring, the electric brush is arranged in electric communication with an excitation rotor short circuit closing control device (3), a direct-current power supply conductor is arranged in electric communication with a stator generating winding of the generator (2) through an electrical control unit (4), and the electrical control unit (4) has the function of supplying alternating current to a middle tap of the stator generating winding through the direct-current power supply conductor.
6. The generator set of claim 5, wherein: a transformer (5) is arranged between the electrical control unit (4) and the stator winding.
7. A generator set comprising an engine (1) and a generator (2), characterized in that: the engine (1) is in transmission arrangement with an excitation rotor of the generator (2), the excitation rotor comprises an electric ring, an electric brush is in electric communication with the electric ring, the electric brush is in electric communication with an excitation rotor short circuit closing control device (3), a direct current power supply conductor is in electric communication with a stator power generation winding of the generator (2) through an electrical control unit (4), and the electrical control unit (4) has the functions of supplying alternating current to the stator power generation winding by the direct current power supply conductor and supplying direct current to the direct current power supply conductor by the stator power generation winding;
or, the engine (1) is arranged in a transmission way with an excitation rotor of the generator (2), the excitation rotor comprises an electric ring, an electric brush is arranged in an electric communication way with the electric ring, the electric brush is arranged in an electric communication way with an excitation rotor short circuit closing control device (3), a direct current power supply conductor is arranged in an electric communication way with a stator generating winding of the generator (2) through an electrical control unit (4), and the electrical control unit (4) has the functions of supplying alternating current to a middle tap of the stator generating winding by the direct current power supply conductor and supplying direct current to the direct current power supply conductor by a middle tap of the stator generating winding.
8. The generator set of claim 7, wherein: a transformer (5) is arranged between the electrical control unit (4) and the stator winding.
9. The generator set of any one of claims 1 to 8, wherein: the alternating current is variable-frequency variable-voltage alternating current, variable-frequency constant-voltage alternating current, constant-frequency variable-voltage alternating current or constant-frequency constant-voltage alternating current.
10. The generator set of any one of claims 1 to 8, wherein: the alternating current is constant-frequency constant-voltage alternating current, the frequency of the constant-frequency constant-voltage alternating current is lower than one third of the normal working frequency of the generator (2), and the voltage of the constant-frequency constant-voltage alternating current is lower than one third of the normal working voltage of the generator (2).
11. The generator set of any one of claims 1 to 8, wherein: the alternating current is variable-frequency variable-voltage single-phase alternating current, variable-frequency constant-voltage single-phase alternating current, constant-frequency variable-voltage single-phase alternating current or constant-frequency constant-voltage single-phase alternating current;
or the alternating current is variable-frequency variable-voltage three-phase alternating current, variable-frequency constant-voltage three-phase alternating current, constant-frequency variable-voltage three-phase alternating current or constant-frequency constant-voltage three-phase alternating current.
12. The generator set of any one of claims 1 to 8, wherein: the alternating current is constant-frequency constant-voltage single-phase alternating current, the frequency of the constant-frequency constant-voltage single-phase alternating current is lower than one third of the normal working frequency of the generator (2), and the voltage of the constant-frequency constant-voltage single-phase alternating current is lower than one third of the normal working voltage of the generator (2);
or the alternating current is constant-frequency constant-voltage three-phase alternating current, the frequency of the constant-frequency constant-voltage three-phase alternating current is lower than one third of the normal working frequency of the generator (2), and the voltage of the constant-frequency constant-voltage three-phase alternating current is lower than one third of the normal working voltage of the generator (2).
13. The generator set of any one of claims 1 to 8, wherein: the alternating current is constant-frequency constant-voltage unidirectional alternating current or constant-frequency constant-voltage three-phase alternating current with the voltage of 40-80 volts and the voltage of 5-15 Hz.
CN202111362360.2A 2020-12-22 2021-11-17 Power generator set Pending CN114389493A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2020115245897 2020-12-22
CN202011524589 2020-12-22
CN202110221717 2021-02-27
CN2021102217179 2021-02-27

Publications (1)

Publication Number Publication Date
CN114389493A true CN114389493A (en) 2022-04-22

Family

ID=81195982

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111362360.2A Pending CN114389493A (en) 2020-12-22 2021-11-17 Power generator set

Country Status (1)

Country Link
CN (1) CN114389493A (en)

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