CN113504020A - GIS vibration defect simulation system and method - Google Patents
GIS vibration defect simulation system and method Download PDFInfo
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- CN113504020A CN113504020A CN202110563466.2A CN202110563466A CN113504020A CN 113504020 A CN113504020 A CN 113504020A CN 202110563466 A CN202110563466 A CN 202110563466A CN 113504020 A CN113504020 A CN 113504020A
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- 230000007547 defect Effects 0.000 title claims abstract description 60
- 238000004088 simulation Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 230000005284 excitation Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses a GIS vibration defect simulation system and a method, comprising the following steps: a vibration controller for generating a vibration control signal; the signal amplifier is used for receiving and amplifying the vibration control signal so as to drive the vibration exciter to generate an excitation signal; the vibration exciter is used for exciting a conductor in the GIS equipment to generate vibration so as to simulate the vibration defect of the GIS equipment during operation; and the fixing device is used for supporting and fixing the vibration controller, the signal amplifier and the vibration exciter. The GIS vibration defect simulation system and method provided by the invention have the advantages of small size, low power consumption, few component parts, high efficiency and convenience in use, low standard requirement on laboratory equipment and low equipment cost, and solve the defects of large power consumption, large size, complex installation and operation and extremely high requirement on the laboratory equipment of the traditional simulation operation equipment.
Description
Technical Field
The invention relates to the technical field of power equipment fault simulation, in particular to a GIS vibration defect simulation system and method.
Background
GIS (gas INSULATED switchgear) is a gas INSULATED fully enclosed switchgear. The GIS is composed of a breaker, a disconnecting switch, a grounding switch, a mutual inductor, a lightning arrester, a bus, a connecting piece, an outgoing line terminal and the like, all the equipment or components are enclosed in a metal grounded shell, and SF6 insulating gas with certain pressure is filled in the metal grounded shell, so that the GIS is also called as an SF6 fully-closed combined electrical appliance.
Most of the existing GIS fault simulation modes are realized by injecting voltage and current by using test models, and the GIS equipment conductor is excited by electromagnetic force to generate vibration by simulating a real running state. Because a large load state cannot be generated in a laboratory environment, the generated electromagnetic force is weak, and a conductor or a cylinder of the GIS equipment cannot be excited to generate vibration, the existing GIS fault simulation method has poor effect and extremely high requirement on the laboratory equipment.
In conclusion, how to provide a convenient and efficient GIS fault simulation method is a problem to be solved at present.
Disclosure of Invention
The invention aims to provide a GIS vibration defect simulation system and a GIS vibration defect simulation method, which aim to solve the problems that GIS fault simulation equipment in the prior art is large in power consumption, large in size, complex in installation and operation and extremely high in requirement on laboratory equipment.
In order to solve the above technical problem, the present invention provides a GIS vibration defect simulation system, including: a vibration controller for generating a vibration control signal; the signal amplifier is used for receiving and amplifying the vibration control signal so as to drive the vibration exciter to generate an excitation signal; the vibration exciter is used for exciting a conductor in the GIS equipment to generate vibration so as to simulate the vibration defect of the GIS equipment during operation; and the fixing device is used for supporting and fixing the vibration controller, the signal amplifier and the vibration exciter.
Preferably, the vibration controller transmits the vibration control signal to the signal amplifier through a signal cable.
Preferably, the vibration exciter is mounted outside the conductor and used for simulating vibration external defects of the GIS equipment.
Preferably, the vibration exciter is mounted inside the conductor and used for simulating internal vibration defects of the GIS equipment.
Preferably, the method comprises the following steps: the multiple vibration exciters are arranged at different parts of the GIS equipment in a parallel control mode and are used for simultaneously generating excitation signals at different parts of the GIS equipment.
Preferably, the plurality of vibration exciters are respectively arranged on a long bus, a breaker and an isolating switch of the GIS equipment.
The invention also provides a GIS vibration defect simulation method, which is applied to the GIS vibration defect simulation system and comprises the following steps:
generating a vibration control signal by using a vibration controller;
sending the vibration control signal to a signal amplifier, and amplifying the vibration control signal;
sending the amplified vibration control signal to a vibration exciter, and driving the vibration exciter to generate an excitation signal;
and exciting the conductor inside the GIS equipment to generate vibration by using the excitation signal, and simulating the vibration defect of the GIS equipment during operation.
Preferably, the sending the vibration control signal to a signal amplifier, and the amplifying the vibration control signal includes:
and transmitting the vibration control signal to the signal amplifier through a signal cable, and amplifying the control signal.
Preferably, the sending the amplified vibration control signal to an exciter, and driving the exciter to generate an excitation signal includes:
and sending the amplified vibration control signal to a vibration exciter arranged outside the conductor, and driving the vibration exciter to generate an excitation signal so as to simulate the vibration external defects of the GIS equipment.
Preferably, the sending the amplified vibration control signal to an exciter, and driving the exciter to generate an excitation signal includes:
and respectively sending the amplified vibration control signals to each vibration exciter arranged on a long bus, a breaker and a disconnecting switch of the GIS equipment so that each vibration exciter can simultaneously generate an excitation signal.
The GIS vibration defect simulation system provided by the invention comprises a vibration controller, a signal amplifier, a vibration exciter and a fixing device. The vibration controller generates and sends a vibration control signal to the signal amplifier; the signal amplifier receives and amplifies the vibration control signal to drive the vibration exciter to generate an excitation signal; the vibration exciter excites a conductor in the GIS equipment to generate vibration so as to simulate the vibration defect of the GIS equipment during operation; the fixing device is used for supporting and fixing the vibration controller, the signal amplifier and the vibration exciter. The GIS vibration defect simulation system provided by the invention has the advantages that the vibration exciter is adopted to excite the conductor in the GIS equipment to generate vibration to simulate the GIS vibration defect, the size is small, the power consumption is low, the number of formed accessories is small, the use is convenient and efficient, and the defects of large power consumption, large size and complex installation operation of the traditional simulation operation equipment are overcome. The system provided by the invention has low requirement standard on laboratory equipment, reduces the cost of purchasing equipment in a laboratory, and reduces the economic burden of enterprises.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a block diagram of a structure of a GIS vibration defect simulation system according to an embodiment of the present invention;
fig. 2 is a block diagram of another GIS vibration defect simulation system according to an embodiment of the present invention;
fig. 3 is a flowchart of a GIS vibration defect simulation method according to an embodiment of the present invention.
Detailed Description
The core of the invention is to provide a GIS vibration defect simulation system and method, which adopts a vibration exciter to excite a conductor in GIS equipment to generate vibration to simulate the GIS vibration defect, solves the problem that the prior art is difficult to inject large voltage and large current on GIS test equipment simultaneously to simulate the operation condition, greatly reduces auxiliary equipment and is convenient and efficient to use.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
Referring to fig. 1, fig. 1 is a block diagram of a GIS vibration defect simulation system according to an embodiment of the present invention; the specific system may include: a vibration controller for generating a vibration control signal; the signal amplifier is used for receiving and amplifying the vibration control signal so as to drive the vibration exciter to generate an excitation signal; the vibration exciter is used for exciting a conductor in the GIS equipment to generate vibration so as to simulate the vibration defect of the GIS equipment during operation; and the fixing device is used for supporting and fixing the vibration controller, the signal amplifier and the vibration exciter.
The vibration controller transmits the vibration control signal to the signal amplifier through a signal cable.
In this embodiment, the vibration exciter may be installed outside the GIS device internal conductor, or may be installed inside the GIS device internal conductor. When the vibration exciter is arranged outside the conductor, the vibration exciter is used for simulating the vibration external defects of the GIS equipment. And when the vibration exciter is arranged in the conductor, the vibration exciter is used for simulating the vibration internal defects of the GIS equipment.
When the exciter is mounted outside the conductor, there is no strict requirement on the size of the exciter; however, when the exciter is installed inside the conductor, the size of the exciter is required because the space inside the conductor is limited, and the exciter cannot be installed inside the conductor if the size of the exciter is large.
In the system provided by the embodiment, when the GIS vibration defect is simulated, the vibration controller sends a vibration control signal, the vibration control signal is transmitted into the signal amplifier through a signal cable for signal amplification, the amplified signal is transmitted into the vibration exciter, and the vibration exciter receives and amplifies the amplified control signal to excite a conductor in the GIS equipment, so that the conductor generates vibration and the vibration state during operation is simulated. Compared with the prior art that the GIS test equipment is simultaneously injected with large voltage and large current to simulate the operation working condition, the vibration exciter has the advantages of small volume, low power consumption, few component parts and convenient and efficient use, and solves the defects of large power consumption, large volume and complex installation operation of the traditional simulation operation equipment. And the system provided by the embodiment has low requirement standard for laboratory equipment, effectively reduces the cost for purchasing the equipment in the laboratory, and reduces the economic burden of enterprises.
Referring to fig. 2, fig. 2 is a block diagram of another GIS vibration defect simulation system according to an embodiment of the present invention. Based on the above embodiments, in this embodiment, the GIS vibration defect simulation system may include a plurality of vibration exciters, where the plurality of vibration exciters are arranged at different locations of the GIS device in a parallel control manner, and are configured to simultaneously generate excitation signals at the different locations of the GIS device. When the GIS vibration defect simulation system comprises a plurality of vibration exciters, the number of the signal amplifiers is the same as that of the vibration exciters.
When the GIS vibration defect simulation system adopts a plurality of vibration exciters to simultaneously operate, the vibration exciters can be arranged on a circuit in a parallel connection mode and used for simultaneously generating excitation signals and simulating different faults.
In other embodiments provided by the present invention, the multiple vibration exciters may be connected in parallel to the long bus, the circuit breaker, and the disconnector of the GIS device, and meanwhile, excitation signals are generated at the long bus, the circuit breaker, and the disconnector, so that different vibration defects may be simulated.
Referring to fig. 3, fig. 3 is a flowchart illustrating a method for simulating a GIS vibration defect according to an embodiment of the present invention; the method provided by the embodiment of the invention is applied to the GIS vibration defect simulation system, and comprises the following specific operation steps:
step S301: generating a vibration control signal by using a vibration controller;
step S302: sending the vibration control signal to a signal amplifier, and amplifying the vibration control signal;
step S303: sending the amplified vibration control signal to a vibration exciter, and driving the vibration exciter to generate an excitation signal;
when the GIS vibration defect simulation system comprises a plurality of vibration exciters, parallel control can be carried out, and amplified vibration control signals are respectively sent to the vibration exciters arranged on a long bus, a circuit breaker and an isolating switch of the GIS equipment, so that the vibration exciters can simultaneously generate excitation signals and can simultaneously simulate different faults.
Step S304: and exciting the conductor inside the GIS equipment to generate vibration by using the excitation signal, and simulating the vibration defect of the GIS equipment during operation.
The method for simulating the GIS vibration defect provided by the embodiment is applied to the GIS vibration defect simulation system, wherein the vibration controller, the signal amplifier and the vibration exciter are respectively arranged on a fixing device in advance, and the vibration controller, the signal amplifier and the vibration exciter are connected in a circuit; controlling the vibration controller to send a vibration control signal so that the vibration control signal is transmitted to the signal amplifier through a signal cable; the signal amplifier receives the vibration control signal, amplifies the vibration control signal and transmits the amplified signal to the vibration exciter; and the vibration exciter receives the amplified vibration control signal, excites the conductor in the GIS equipment to enable the conductor to vibrate, and simulates the vibration state during operation.
The embodiment of the invention provides a GIS vibration defect simulation method which is convenient and efficient to use, and the vibration control signal which is generated by a vibration controller and amplified by a signal amplifier is received by a vibration exciter to excite the conductor vibration in GIS equipment and simulate the vibration defect of the GIS equipment during operation, so that the defect that the operation condition is simulated by injecting large voltage and large current on GIS test equipment simultaneously in most of the existing GIS fault simulation methods is overcome, and the installation operation is complicated.
The GIS vibration defect simulation method provided in this embodiment is applied to the GIS vibration defect simulation system, and thus the specific implementation manner of the GIS vibration defect simulation method can be found in the embodiment section of the GIS vibration defect simulation system in the foregoing, and is not described herein again.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
The GIS vibration defect simulation system and method provided by the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A GIS vibration defect simulation system, comprising:
a vibration controller for generating a vibration control signal;
the signal amplifier is used for receiving and amplifying the vibration control signal so as to drive the vibration exciter to generate an excitation signal;
the vibration exciter is used for exciting a conductor in the GIS equipment to generate vibration so as to simulate the vibration defect of the GIS equipment during operation;
and the fixing device is used for supporting and fixing the vibration controller, the signal amplifier and the vibration exciter.
2. The system of claim 1, wherein the vibration controller transmits the vibration control signal to the signal amplifier via a signal cable.
3. The system of claim 1, wherein the exciter is mounted on the exterior of the conductor for simulating a vibration extrinsic defect of the GIS device.
4. The system of claim 1, wherein the exciter is mounted inside the conductor for simulating a vibration internal defect of the GIS device.
5. The system of claim 1, comprising: the multiple vibration exciters are arranged at different parts of the GIS equipment in a parallel control mode and are used for simultaneously generating excitation signals at different parts of the GIS equipment.
6. The system according to claim 5, wherein the plurality of exciters are respectively disposed on a long bus, a circuit breaker and an isolating switch of the GIS device.
7. A GIS vibration defect simulation method applied to the GIS vibration defect simulation system of any one of claims 1 to 6, comprising:
generating a vibration control signal by using a vibration controller;
sending the vibration control signal to a signal amplifier, and amplifying the vibration control signal;
sending the amplified vibration control signal to a vibration exciter, and driving the vibration exciter to generate an excitation signal;
and exciting the conductor inside the GIS equipment to generate vibration by using the excitation signal, and simulating the vibration defect of the GIS equipment during operation.
8. The method of claim 7, wherein the sending the vibration control signal to a signal amplifier, the amplifying the vibration control signal comprises:
and transmitting the vibration control signal to the signal amplifier through a signal cable, and amplifying the control signal.
9. A method according to claim 7, wherein transmitting the amplified vibration control signal to an exciter, driving the exciter to generate an excitation signal comprises:
and sending the amplified vibration control signal to a vibration exciter arranged outside the conductor, and driving the vibration exciter to generate an excitation signal so as to simulate the vibration external defects of the GIS equipment.
10. A method according to claim 7, wherein transmitting the amplified vibration control signal to an exciter, driving the exciter to generate an excitation signal comprises:
and respectively sending the amplified vibration control signals to each vibration exciter arranged on a long bus, a breaker and a disconnecting switch of the GIS equipment so that each vibration exciter can simultaneously generate an excitation signal.
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2021
- 2021-05-24 CN CN202110563466.2A patent/CN113504020A/en active Pending
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