CN221325721U - Integrated temperature rise test system - Google Patents
Integrated temperature rise test system Download PDFInfo
- Publication number
- CN221325721U CN221325721U CN202322910487.4U CN202322910487U CN221325721U CN 221325721 U CN221325721 U CN 221325721U CN 202322910487 U CN202322910487 U CN 202322910487U CN 221325721 U CN221325721 U CN 221325721U
- Authority
- CN
- China
- Prior art keywords
- transformer
- branch
- temperature rise
- output
- rise test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides an integrated temperature rise test system. The power supply cabinet comprises a power supply cabinet, wherein a mains supply input branch of the power supply cabinet is divided into a first branch, a second branch and a third branch; the first branch is provided with a step-down transformer and a first current transformer, the input end of the step-down transformer is connected with the mains supply, and the output end of the step-down transformer is connected to the input end of the first current transformer; the output end of the first current transformer is connected to the alternating current reactor; the second branch is provided with a rectifying device, the input end of the rectifying device is connected with mains supply, and the output end of the rectifying device is connected to the direct current reactor; the third branch is provided with a step-up transformer, the input end of the step-up transformer is connected with mains supply, and the output end of the step-up transformer is connected to the transformer; the alternating current reactor, the direct current reactor and the transformer are respectively connected with temperature sensors, and the temperature sensors are respectively connected to the controller through communication buses. The test system integrates the transformer temperature rise test, the reactor temperature rise test and the direct current temperature rise test, and can meet the temperature rise test of three types of products.
Description
Technical Field
The utility model relates to the technical field of electricity, in particular to an integrated temperature rise test system.
Background
In the prior art, an electrical equipment system needs to measure the temperature rise of equipment so as to take measures in time when the temperature is too high, thereby avoiding the damage of the electrical equipment. In the prior art, the electrical equipment system is typically a multi-electrical equipment system, including, for example, a transformer, an ac reactor, a dc reactor, and the like. For multi-electrical device systems, the prior art temperature rise test system suffers from the following deficiencies.
1. The temperature rise test system of the current multi-electric equipment is independent three systems, such as: the system comprises a transformer temperature rise test system, an alternating current reactor temperature rise test system and a direct current reactor temperature rise test system; the test system has the defects of redundant structure, complex wiring and potential safety hazard.
2. Because each test system is independent, the occupied space is large.
3. The system has no control console, no informationized acquisition facility and low efficiency, and data are manually recorded.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides an integrated temperature rise test system with high integration degree and applied to multiple electrical equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
An integrated temperature rise test system, includes the power cabinet, the power cabinet includes:
Mains input branch: the mains supply input branch is divided into a first branch, a second branch and a third branch;
The first branch is provided with a step-down transformer and a first current transformer, the input end of the step-down transformer is connected with mains supply, and the output end of the step-down transformer is connected with the input end of the first current transformer; the output end of the first current transformer is connected to an alternating current reactor;
The second branch is provided with a rectifying device, the input end of the rectifying device is connected with mains supply, and the output end of the rectifying device is connected to the direct current reactor;
the third branch is provided with a step-up transformer, the input end of the step-up transformer is connected with mains supply, and the output end of the step-up transformer is connected to the transformer;
The alternating current reactor, the direct current reactor and the transformer are respectively connected with temperature sensors, and the temperature sensors are respectively connected to the controller through communication buses.
In some embodiments of the utility model, the step-down transformer comprises two output branches; the first output branch is used for outputting the adaptive voltage of the alternating current reactor and is connected to the first current transformer, and the second output branch is used for outputting the adaptive voltage of the direct current reactor and is connected to the rectifying equipment.
In some embodiments of the present utility model, a main contactor is disposed on each of the first branch, the second branch, and the third branch.
In some embodiments of the present utility model, an auxiliary breaker is further disposed on the second branch, the main contactor is disposed at the front end of the second output branch of the step-down transformer, and the auxiliary breaker is disposed at the rear end of the second output branch of the transformer.
In some embodiments of the present utility model, the step-up transformer on the third branch includes two output terminals, a first output terminal thereof is used for outputting a first voltage, the first output terminal is connected to the transformer via a first branch, a second output terminal thereof is used for outputting a second voltage, the second output terminal is connected to the transformer via a second branch, and switches are disposed on the first branch and the second branch.
In some embodiments of the present utility model, the third branch is further provided with an interconnection second current transformer and a voltage transformer, an output end of the second current transformer is connected to an output end of the step-up transformer, and an output end of the voltage transformer is connected to the transformer.
In some embodiments of the utility model, the power cabinet is further connected to a controller.
In some embodiments of the present utility model, the communication bus is an RS485 bus.
Compared with the prior art, the integrated temperature rise test system provided by the utility model has the technical advantages that:
1. The test system integrates a transformer temperature rise test, a reactor temperature rise test and a direct current temperature rise test, and can meet the temperature rise test of three types of products;
2. After the three temperature rise test systems are integrated, the space utilization rate is greatly improved;
3. the intelligent wiring is realized, and potential safety hazards are avoided;
4. The temperature rise data acquisition and the information processing are realized, the temperature rise data can be automatically stored, the temperature rise test report is printed, and the test accuracy is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the circuit principle of the integrated temperature rise test system of the present utility model;
FIG. 2 is a schematic diagram of an integrated temperature rise test system according to the present utility model.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "disposed on," "connected to," another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be understood that the direction or positional relationship indicated by the terms "upper", "lower", etc. are based on the direction or positional relationship shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
Referring to fig. 1 and 2, in some exemplary embodiments of the utility model, an integrated temperature rise test system includes a power cabinet for accessing utility power for the entire test system, comprising:
mains input branch: the electric power supply switching device is used for switching in the commercial power, and a protective circuit breaker, a contactor and an induction electric voltage regulator are arranged on a commercial power input branch circuit in the embodiment; the mains supply input branch is divided into a first branch, a second branch and a third branch;
The first branch is used for supplying power to the alternating current reactor, a step-down transformer and a first current transformer are arranged on the first branch, the input end of the step-down transformer is connected with the mains supply, and the output end of the step-down transformer is connected to the input end of the first current transformer; the output end of the first current transformer is connected to the alternating current reactor; the rated operating voltage of the first current transformer can be selected as required.
The second branch is used for supplying power to the direct current reactor, a rectifying device is arranged on the second branch, the input end of the rectifying device is connected with the mains supply, the direct current required by the direct current reactor is output, and the output end of the rectifying device is connected to the direct current reactor;
The third branch is used for supplying power to the transformer, a step-up transformer is arranged on the third branch, the input end of the step-up transformer is connected with the mains supply, and the output end of the step-up transformer is connected to the transformer;
the alternating current reactor, the direct current reactor and the transformer are respectively connected with temperature sensors which are respectively used for detecting the temperatures of the alternating current reactor, the direct current reactor and the transformer, and the temperature sensors are respectively connected to the controller through communication buses and used for transmitting the detected temperatures to the controller. In this embodiment, the communication bus is an RS485 bus.
In some embodiments of the present utility model, the step-down transformer includes two output branches, which are respectively used for outputting different voltage levels, and in this embodiment, 0.06KV and 0.12KV correspond to 1500A current and 3000A current, respectively; the first output branch is used for outputting the adaptive voltage of the alternating current reactor and is connected to the first current transformer, and the second output branch is used for outputting the adaptive voltage of the direct current reactor and is connected to the rectifying equipment. Wherein, 3000A output branch is provided with 3000A circuit breaker, and 1500A output branch is provided with 1500A circuit breaker.
In some embodiments of the present utility model, a main contactor is disposed on each of the first branch, the second branch, and the third branch. In this embodiment, the main contactor is 630A. The on-off of each main contactor can be controlled by the controller, so that the detection of each detection branch is realized.
In some embodiments of the present utility model, an auxiliary breaker is further provided on the second branch, which is a 1500A connection breaker, the main contactor is provided at the front end of the second output branch of the step-down transformer, and the auxiliary breaker is provided at the rear end of the second output branch of the transformer.
In some embodiments of the present utility model, the step-up transformer on the third branch includes two output terminals, a first output terminal of which is used for outputting a first voltage, and is connected to the transformer via a first branch, and a second output terminal of which is used for outputting a second voltage, and is connected to the transformer via a second branch, and switches are disposed on both the first branch and the second branch. In this embodiment, the first voltage is 0.8KV and the second voltage is 1.5KV.
In some embodiments of the present utility model, a second current transformer and a voltage transformer are further connected to each other on the third branch, an output end of the second current transformer is connected to an output end of the step-up transformer, and an output end of the voltage transformer is connected to the transformer. The rated working voltage of the second current transformer is 2KV, the rated working current can be selected according to the requirement, and the rated working voltage of the voltage transformer can be selected according to the requirement.
In some embodiments of the utility model, the power cabinet is further connected to a controller. The controller can independently control the opening and closing of each contactor and breaker.
In some embodiments, a power analyzer may also be optionally provided to analyze the power of the device to be detected.
When the integrated temperature rise test system provided by the utility model is used for temperature measurement, a control instruction is issued to the power cabinet through the controller, so that the temperature rises of the alternating current reactor, the direct current reactor and the transformer can be measured simultaneously, the on-off of each branch can be controlled through the contactor, the temperature rises of the electric equipment of each branch can be measured independently, and the integration of the temperature rise test equipment is greatly improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. An integrated temperature rise test system, which is characterized by comprising a power cabinet, wherein the power cabinet comprises:
Mains input branch: the mains supply input branch is divided into a first branch, a second branch and a third branch;
The first branch is provided with a step-down transformer and a first current transformer, the input end of the step-down transformer is connected with mains supply, and the output end of the step-down transformer is connected with the input end of the first current transformer; the output end of the first current transformer is connected to an alternating current reactor;
The second branch is provided with a rectifying device, the input end of the rectifying device is connected with mains supply, and the output end of the rectifying device is connected to the direct current reactor;
the third branch is provided with a step-up transformer, the input end of the step-up transformer is connected with mains supply, and the output end of the step-up transformer is connected to the transformer;
The alternating current reactor, the direct current reactor and the transformer are respectively connected with temperature sensors, and the temperature sensors are respectively connected to the controller through communication buses.
2. The integrated temperature rise test system of claim 1, wherein the step-down transformer comprises two output branches; the first output branch is used for outputting the adaptive voltage of the alternating current reactor and is connected to the first current transformer, and the second output branch is used for outputting the adaptive voltage of the direct current reactor and is connected to the rectifying equipment.
3. The integrated temperature rise test system of claim 1, wherein the first leg, the second leg, and the third leg are each provided with a main contactor.
4. The integrated temperature rise test system of claim 3, wherein the second leg is further provided with an auxiliary circuit breaker, the main contactor is disposed at the front end of the second leg output branch of the step-down transformer, and the auxiliary circuit breaker is disposed at the rear end of the second leg output branch of the transformer.
5. The integrated temperature rise test system of claim 1, wherein the step-up transformer on the third leg comprises two output terminals, a first output terminal thereof for outputting a first voltage, connected to the transformer via a first shunt, and a second output terminal thereof for outputting a second voltage, connected to the transformer via a second shunt, both the first shunt and the second shunt being provided with a switch.
6. The integrated temperature rise test system of claim 1, wherein the third leg is further provided with an interconnecting second current transformer and a voltage transformer, an output of the second current transformer is connected to an output of the step-up transformer, and an output of the voltage transformer is connected to the transformer.
7. The integrated temperature rise test system of claim 1, wherein the power supply cabinet is further connected to a controller.
8. The integrated temperature rise test system of claim 1, wherein the communication bus is an RS485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322910487.4U CN221325721U (en) | 2023-10-30 | 2023-10-30 | Integrated temperature rise test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322910487.4U CN221325721U (en) | 2023-10-30 | 2023-10-30 | Integrated temperature rise test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221325721U true CN221325721U (en) | 2024-07-12 |
Family
ID=91790953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322910487.4U Active CN221325721U (en) | 2023-10-30 | 2023-10-30 | Integrated temperature rise test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221325721U (en) |
-
2023
- 2023-10-30 CN CN202322910487.4U patent/CN221325721U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202231318U (en) | Multifunctional low-voltage distribution box | |
| CN109100662B (en) | Intelligent high-voltage isolating switch AC/DC voltage regulation power supply test operation system | |
| CN203217023U (en) | Motor and transformer microcomputer integration test stand | |
| CN110441633A (en) | Reactor test macro and method | |
| CN108614176A (en) | A kind of Current Voltage adjusting instruction carriage | |
| CN108254599A (en) | Acquire the three-phase intelligent electric-energy meter structure of residual current | |
| CN106556778A (en) | A kind of Insulation Inspection Device for Direct-Current System | |
| CN2619355Y (en) | Relay protection live check instrument | |
| CN221325721U (en) | Integrated temperature rise test system | |
| CN210514502U (en) | Reactor test system | |
| CN217183183U (en) | A constant current source device for temperature rise test of AC and DC switch cabinets | |
| CN103457264A (en) | Active power filter device with energy saving, consumption reducing and harmonic suppression | |
| CN215415586U (en) | Electric device | |
| CN212323737U (en) | Intelligent wire holder | |
| CN208506157U (en) | A kind of Current Voltage adjusting instruction carriage | |
| CN210007225U (en) | novel high-low voltage power distribution cabinet for power transmission and distribution electric energy conversion | |
| CN114966293A (en) | Integrated multifunctional transformer testing equipment capable of achieving flexible tangent control | |
| CN220085511U (en) | Centralized electrician training and checking device under safe voltage | |
| CN216794857U (en) | Equivalent current-variable power supply | |
| CN207612055U (en) | A kind of Distribution Network Failure automatic station-keeping system | |
| CN211405591U (en) | Double-incoming-wire power supply circuit and double-incoming-wire power supply device | |
| CN221351633U (en) | Electric cabinet function detection device | |
| CN216489413U (en) | Switch cabinet control display device | |
| CN205543934U (en) | Intelligence low voltage switchgear based on PLC control | |
| CN220105248U (en) | Leakage monitoring device for high-low voltage power distribution cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |