CN114263528A - System and method for removing condensation in generator set and generator set - Google Patents
System and method for removing condensation in generator set and generator set Download PDFInfo
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- CN114263528A CN114263528A CN202111415213.7A CN202111415213A CN114263528A CN 114263528 A CN114263528 A CN 114263528A CN 202111415213 A CN202111415213 A CN 202111415213A CN 114263528 A CN114263528 A CN 114263528A
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Abstract
The invention discloses a system and a method for removing condensation in a generator set and the generator set, wherein the system comprises: a frame, a generator, an engine, and a unit controller; wherein, the generator, the engine and the unit controller are arranged in the frame; and the unit controller is used for controlling the generator not to work and starting the engine to link the air cooling fan in the generator to rotate at a high speed for a preset time period so as to remove condensation in the generator. Wherein, the generator is controlled not to work specifically as follows: when the anti-condensation mode starting instruction is received, the digital voltage regulator is controlled to enable the generator not to be excited and build voltage, and the generator does not work. Because this application control digital voltage regulator does not carry out generator excitation and build the pressure when generating set start, and then utilize the fan of engine linkage generator to weather the inside condensation of motor to reduce the risk that the generator broke down, the mode that does not adopt the heating rod simultaneously removes the condensation and can practice thrift generator manufacturing cost and electric energy loss.
Description
Technical Field
The invention relates to the technical field of electric control, in particular to a system and a method for removing condensation in a generator set and the generator set.
Background
When the generator set works, the air-cooled generator adopts a fan which is coaxial with the driving shaft to cool the motor winding; although the wind turbine is used for cooling, the internal winding temperature of the diesel generator set can still reach more than 100 degrees (different according to the insulation grade and the temperature rise grade of the motor) after the diesel generator set is operated for a period of time under full load. At the moment, after the generator set is stopped, the internal temperature of the motor can be gradually reduced to the environmental temperature, and condensed water is generated in the motor in the process; the existence of the condensed water can reduce the resistance of the insulated motor of the generator and directly influence the safe operation of the generator set next time, so that the removal of the condensed water is very important.
In the prior art, firstly, a heater (heating rod) is embedded in a generator, when the unit does not start to work, the generator is electrified and heated by other power supplies, so that the internal temperature of the motor is higher than the external air temperature, the motor does not generate condensed water, when the unit starts to work, the power supply of the heating rod is cut off, and the method needs to use a standby power supply or has other power supply scenes. If the unit does not have the anti-condensation heater (heating rod), or the unit is stored for a long time in humid climate, when the unit works again, some motors need to be disassembled, and the methods of manual drying and oven drying dehumidification are adopted to improve the insulation resistance level of the generator.
When the unit starts to work, the power supply of the heating rod is cut off, and other power supply use scenes are necessary in the method. For products which are used in mines without a second power source and are in stock, the use is very inconvenient. In addition, if the unit is not provided with an anti-condensation heater or is stored in humid climate for a long time, when the unit works again, the motor needs to be disassembled sometimes, and the methods of manual drying and oven drying dehumidification are adopted; this method is time-consuming, laborious and inconvenient to operate.
Disclosure of Invention
The embodiment of the application provides a system and a method for removing condensation in a generator set and the generator set. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
In a first aspect, an embodiment of the present application provides a system for removing condensation in a generator set, where the system includes:
a frame, a generator, an engine, and a unit controller; wherein the content of the first and second substances,
the generator, the engine and the unit controller are arranged in the frame;
and the unit controller is used for controlling the generator not to work and starting the engine to link the air cooling fan in the generator to rotate at a high speed for a preset time period so as to remove condensation in the generator.
Optionally, the generator includes a digital voltage regulator, a generator set main winding, a motor dehumidification controller, and an excitation loop module; wherein the content of the first and second substances,
the motor dehumidification controller is connected to the digital voltage regulator; wherein the content of the first and second substances,
one end of the excitation loop module is connected to the digital voltage regulator, and the other end of the excitation loop module is close to the main winding of the generator set.
Optionally, controlling the generator to be inoperative comprises:
when the anti-condensation mode starting instruction is received, the digital voltage regulator is controlled to enable the generator not to be excited and build voltage, and the generator does not work.
Optionally, the generator is not excited and voltage is built up, including:
and controlling an excitation control port of the digital voltage regulator to be in a closed state by adopting a motor dehumidification controller.
Optionally, the high-speed rotation of the air-cooled fan in the engine-linked generator is linked by a coupler.
Optionally, the unit controller comprises a dew removal selection switch; wherein the content of the first and second substances,
the condensation removing selection switch is arranged on a control screen of the unit controller.
Optionally, the unit controller is further configured to control the digital voltage regulator to perform generator excitation and voltage build after the generator blows and dries for a preset time period, so that the generator is in a standby state after voltage build and warm-up.
In a second aspect, an embodiment of the present application provides a method for removing condensation in a generator set, which is applied to a generator set controller, and the method includes:
when a condensation prevention mode starting instruction is received, the digital voltage regulator is controlled to enable the generator not to be excited and build voltage, and the generator does not work;
starting an air cooling fan in an engine linkage generator to rotate at a high speed for a preset time period, so that condensation in the generator is removed;
after the generator is dried for a preset time period, the digital voltage regulator is controlled to perform generator excitation and voltage build-up, so that the generator is in a standby state after voltage build-up and warming-up.
Optionally, the generator is not excited and voltage is built up, including: and controlling an excitation control port of the digital voltage regulator to be in a closed state by adopting a motor dehumidification controller.
In a third aspect, an embodiment of the present application provides a generator set, including: one or more processors; storage means for storing one or more programs; a frame, a generator, an engine, and a unit controller; when the one or more programs are executed by the one or more processors, the one or more processors are caused to implement the above-described methods.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
in the embodiment of the application, when a unit controller receives a condensation prevention mode starting instruction, the digital voltage regulator is controlled to enable the generator not to be excited and build voltage, the generator does not work, then the engine is started to link an air cooling fan in the generator to rotate at a high speed for a preset time period, condensation in the generator is removed, and finally after the generator blows air and is dried for the preset time period, the digital voltage regulator is controlled to excite and build voltage, and the generator is in a standby state after the voltage is built. Because this application control digital voltage regulator does not carry out generator excitation and build the pressure when generating set start, and then utilize the fan of engine linkage generator to weather the inside condensation of motor to reduce the risk that the generator broke down, the mode that does not adopt the heating rod simultaneously removes the condensation and can practice thrift generator manufacturing cost and electric energy loss.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic structural diagram of a system for removing condensation from a generator set according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of an internal structure of an engine provided in an embodiment of the present application;
FIG. 3 is a schematic flow chart of a method for removing condensation from a generator set according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a unit controller according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a program product provided in an embodiment of the present application.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The application provides a system and a method for removing condensation in a generator set and the generator set, and aims to solve the problems in the related technical problems. In the technical scheme provided by the application, because this application control digital voltage regulator does not carry out generator excitation and build the pressure when generating set start, and then utilize the fan of engine linkage generator to weather the inside condensation of motor to reduce the risk that the generator broke down, the mode that does not adopt the heating rod simultaneously removes the condensation and can practice thrift generator manufacturing cost and power loss, adopts the exemplary embodiment to explain in detail below.
Referring to fig. 1, a schematic structural diagram of a system for removing condensation in a generator set is provided in an embodiment of the present application.
As shown in fig. 1, the system of the embodiment of the present application may include: a frame, a generator, an engine, and a unit controller; wherein, the generator, the engine and the unit controller are arranged in the frame; and the unit controller is used for controlling the generator not to work and starting the engine to link the air cooling fan in the generator to rotate at a high speed for a preset time period so as to remove condensation in the generator.
In the present embodiment, for example, as shown in fig. 2, the generator includes a digital voltage regulator, a generator set main winding, a motor dehumidification controller, and an excitation loop module; the motor dehumidification controller is connected to the digital voltage regulator; one end of the excitation loop module is connected to the digital voltage regulator, and the other end of the excitation loop module is close to the main winding of the generator set.
It should be noted that, in the present application, the heating rod or the heater in the generator in the prior art is removed, the generator is controlled by the unit controller to stop working, and the engine is adopted to drive the engine to rotate at a high speed, so as to achieve condensation removal inside the generator.
In this embodiment, the specific way to control the generator not to work is: when the anti-condensation mode starting instruction is received, the digital voltage regulator is controlled to enable the generator not to be excited and build voltage, and the generator does not work.
In this embodiment, the specific steps of not performing generator excitation and voltage build-up are: and controlling an excitation control port of the digital voltage regulator to be in a closed state by adopting a motor dehumidification controller.
In the present embodiment, the high-speed rotation of the air-cooling fan in the engine-linked generator is linked by using a coupling.
In this embodiment, the pack controller includes a dew removal selection switch; wherein, remove the condensation select switch and set up on the control screen of unit controller.
In this embodiment, the unit controller is further configured to control the digital voltage regulator to perform generator excitation and voltage build-up after the generator blows and dries for a preset time period, so that the generator is in a standby state after the voltage build-up and warming-up.
In the embodiment of the application, when a unit controller receives a condensation prevention mode starting instruction, the digital voltage regulator is controlled to enable the generator not to be excited and build voltage, the generator does not work, then the engine is started to link an air cooling fan in the generator to rotate at a high speed for a preset time period, condensation in the generator is removed, and finally after the generator blows air and is dried for the preset time period, the digital voltage regulator is controlled to excite and build voltage, and the generator is in a standby state after the voltage is built. Because this application control digital voltage regulator does not carry out generator excitation and build the pressure when generating set start, and then utilize the fan of engine linkage generator to weather the inside condensation of motor to reduce the risk that the generator broke down, the mode that does not adopt the heating rod simultaneously removes the condensation and can practice thrift generator manufacturing cost and electric energy loss.
Referring to fig. 3, a flow chart of a method for removing dew from a generator set according to an exemplary embodiment of the present invention is shown, applied to a generator set controller, and the method includes the following steps.
S101, when a condensation prevention mode starting instruction is received, the generator is enabled not to be excited and build voltage by controlling the digital voltage regulator, and the generator does not work;
wherein, excitation is the process of enabling the generator rotor to form a rotating magnetic field according to the electromagnetic induction principle. In the application, excitation and voltage building are not carried out, specifically, a rotor of the generator is not enabled to form a rotating magnetic field, and the generator is not enabled to build voltage.
S102, starting an engine to link an air cooling fan in a generator to rotate at a high speed for a preset time period, so that condensation in the generator is removed;
s103, after the generator is dried for a preset time period, the digital voltage regulator is controlled to perform generator excitation and voltage build-up, so that the generator is in a standby state after voltage build-up and warming-up.
Specifically, through PLC logic control of a unit controller, a voltage regulator of the generator is controlled when the unit is started, and excitation and voltage build-up of the generator are not carried out. After the engine starts, drive the high-speed rotation of generator, the motor can fast turn from taking the fan, weathers inside moisture of motor and comdenstion water, and then accomplishes the inside comdenstion water of generating set motor and dehumidification work automatically. And then the controller sends out an excitation instruction, the generator is excited to build voltage, and the generator set generates power normally.
The generator adopts a digital voltage regulator DVR and utilizes a DVR excitation control port to control the closing and the opening of a generator excitation loop when the generator is started.
In a possible implementation manner, when the generator set is started, firstly, a generator DVR (generator digital voltage regulator) excitation control port is in a closed state (de-excitation) through a generator controller, so that the generator DVR is placed in a condensation removing mode; the engine is started to increase the speed to the rated speed, and the generator does not build voltage and does not detect the voltage of the generator because the excitation loop of the motor is not closed. At the moment, the engine drives the motor to rotate at a high speed through the coupler, and the air-cooled fan of the generator continuously rotates to blow away moisture and condensed water in the motor. And then the excitation port of the generator set is disconnected, the generator is excited and excited, the voltage of the generator is built and the generator is warmed up, and the generator set enters a standby state and enters a normal working process.
It should be noted that, for a common air-cooled diesel generator set, firstly, a built-in PLC logic control function of a generator controller is utilized to control a generator digital voltage regulator DVR to be excited to be closed and opened, and secondly, a cooling fan of the air-cooled generator is used for blowing moisture and condensed water in the generator set to be dry before the generator set is normally pressurized, so that the dehumidification and condensation prevention effect is achieved, and the normal and safe operation of the generator set is ensured. Because the generator does not adopt a built-in heating rod, the manufacturing cost of the generator and the generator set is saved; meanwhile, an extra heating power supply is not needed, and more use scenes are met; and saves heating energy. Because this technical scheme uses ordinary motor, more adopts TH type motor usually, reduces winding insulation degree and motor manufacturing cost.
Furthermore, other methods for cutting off the excitation of the motor by using methods such as a knob and the like are all within the protection scope of the patent right.
In the embodiment of the application, when a unit controller receives a condensation prevention mode starting instruction, the digital voltage regulator is controlled to enable the generator not to be excited and build voltage, the generator does not work, then the engine is started to link an air cooling fan in the generator to rotate at a high speed for a preset time period, condensation in the generator is removed, and finally after the generator blows air and is dried for the preset time period, the digital voltage regulator is controlled to excite and build voltage, and the generator is in a standby state after the voltage is built. Because this application control digital voltage regulator does not carry out generator excitation and build the pressure when generating set start, and then utilize the fan of engine linkage generator to weather the inside condensation of motor to reduce the risk that the generator broke down, the mode that does not adopt the heating rod simultaneously removes the condensation and can practice thrift generator manufacturing cost and electric energy loss.
The invention also provides a computer readable medium, wherein program instructions are stored on the computer readable medium, and when the program instructions are executed by a processor, the method for removing condensation in a generator set is realized according to the method embodiments.
The present invention also provides a computer program product containing instructions which, when run on a computer, cause the computer to perform the method of removing condensation in a genset of the various method embodiments described above.
The application also provides a generator set, including: one or more processors; storage means for storing one or more programs; a frame, a generator, an engine, and a unit controller;
when the one or more programs are executed by the one or more processors, the one or more processors are caused to perform the methods of steps S101-S103.
The embodiment of the application also provides a generator set controller to execute the method for removing the condensation in the generator set. Referring to fig. 4, a schematic diagram of a set controller provided in some embodiments of the present application is shown. As shown in fig. 4, the pack controller 4 includes: a processor 400, a memory 401, a bus 402 and a communication interface 403, wherein the processor 400, the communication interface 403 and the memory 401 are connected through the bus 402; the memory 401 stores a computer program executable on the processor 400, and the processor 400 executes the computer program to perform a method for removing dew from a generator set provided by any of the foregoing embodiments of the present application.
The Memory 401 may include a high-speed Random Access Memory (RAM) and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The communication connection between the network element of the apparatus and at least one other network element is realized through at least one communication interface 403 (which may be wired or wireless), and the internet, a wide area network, a local network, a metropolitan area network, etc. may be used.
The unit controller provided by the embodiment of the application and the method for removing the condensation in the generator unit provided by the embodiment of the application have the same beneficial effects as the method adopted, operated or realized by the same inventive concept.
Referring to fig. 5, the computer readable storage medium is shown as an optical disc 30, on which a computer program (i.e., a program product) is stored, and when the computer program is executed by a processor, the computer program performs the method for removing the condensation in the generator set according to any of the foregoing embodiments.
It should be noted that examples of the computer-readable storage medium may also include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory, or other optical and magnetic storage media, which are not described in detail herein.
The computer-readable storage medium provided by the above embodiment of the present application and the method for removing condensation in a generator set provided by the embodiment of the present application are based on the same inventive concept, and have the same beneficial effects as the method adopted, operated or implemented by the application program stored in the computer-readable storage medium.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by a computer program to instruct associated hardware, and the process of removing condensation from a generator set may be stored in a computer readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a read-only memory or a random access memory.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the scope of the present application, so that the present application is not limited thereto, and all equivalent variations and modifications can be made to the present application.
Claims (10)
1. A system for removing condensation from a power generating unit, the system comprising:
a frame, a generator, an engine, and a unit controller; wherein the content of the first and second substances,
the generator, the engine and the unit controller are arranged in the frame;
the unit controller is used for controlling the generator not to work and simultaneously starting the engine to be linked with an air cooling fan in the generator to rotate at a high speed for a preset time period so as to remove condensation in the generator.
2. The system for removing condensation from a power generating unit of claim 1,
the generator comprises a digital voltage regulator, a generator set main winding, a motor dehumidification controller and an excitation loop module; wherein the content of the first and second substances,
the motor dehumidification controller is connected to the digital voltage regulator; wherein the content of the first and second substances,
one end of the excitation loop module is connected to the digital voltage regulator, and the other end of the excitation loop module is close to the main winding of the generator set.
3. The system of claim 2, wherein the controlling the generator to be inoperative comprises:
when an anti-condensation mode starting instruction is received, the digital voltage regulator is controlled to enable the generator not to be excited and build voltage, and the generator does not work.
4. The system for removing condensation from a power generating unit according to claim 3, wherein said de-energizing and de-pressurizing the generator comprises:
and controlling an excitation control port of the digital voltage regulator to be in a closed state by adopting the motor dehumidification controller.
5. The system for removing condensation from a power generating unit of claim 1, wherein the engine is coupled to the high speed rotation of the air-cooled fan of the generator by a coupling.
6. The system for removing condensation from a power generating unit of claim 1,
the unit controller comprises a condensation removing selection switch; wherein the content of the first and second substances,
the condensation removing selection switch is arranged on a control screen of the unit controller.
7. The system for removing condensation from a generator set according to claim 4, wherein the generator set controller is further configured to control the digital voltage regulator to perform generator excitation and voltage build-up after the generator blows and dries for a preset time period, so that the generator is in a standby state after the generator is warmed up in the voltage build-up.
8. A method for removing condensation in a generator set, which is applied to a generator set controller, and is characterized by comprising the following steps:
when an anti-condensation mode starting instruction is received, the digital voltage regulator is controlled to enable the generator not to be excited and build voltage, and the generator does not work;
starting the engine to be linked with an air cooling fan in the generator to rotate at a high speed for a preset time period, so that condensation in the generator is removed;
and after the generator is dried for a preset time period, controlling the digital voltage regulator to perform generator excitation and voltage build-up, so that the generator is in a standby state after the voltage build-up and warming-up.
9. The method of claim 8, wherein the de-energizing and voltage building of the generator comprises:
and controlling an excitation control port of the digital voltage regulator to be in a closed state by adopting the motor dehumidification controller.
10. A generator set, comprising:
one or more processors;
storage means for storing one or more programs;
a frame, a generator, an engine, and a unit controller;
when executed by the one or more processors, cause the one or more processors to implement the method of claims 8-9.
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| CN202111415213.7A CN114263528B (en) | 2021-11-25 | 2021-11-25 | System and method for removing condensation in generator set and generator set |
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| CN202111415213.7A CN114263528B (en) | 2021-11-25 | 2021-11-25 | System and method for removing condensation in generator set and generator set |
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