CN210038021U - 10 kilovolt distribution protection integration testing arrangement - Google Patents
10 kilovolt distribution protection integration testing arrangement Download PDFInfo
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- CN210038021U CN210038021U CN201920735022.0U CN201920735022U CN210038021U CN 210038021 U CN210038021 U CN 210038021U CN 201920735022 U CN201920735022 U CN 201920735022U CN 210038021 U CN210038021 U CN 210038021U
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Abstract
The utility model discloses a 10 KV power distribution protection integrated testing device, which comprises a bottom plate, a traveling wheel arranged below the bottom plate, a pillar arranged on the bottom plate, a first layer plate, a second layer plate and a third layer plate which are parallel to the bottom plate and welded on the pillar from bottom to top; a 48V voltage-stabilized direct-current power supply which can convert alternating current 220V into direct current 48V is fixedly arranged on the bottom plate, a 220V direct-current power supply which outputs direct current DC220V is fixedly arranged on the first layer plate, a generator which outputs 220V alternating current, a 220V plug and/or a 220V jack which can be externally connected with 220V alternating current, and an external socket or an external jack which can output 220V alternating current are fixedly arranged on the second layer plate; and a relay protection tester is fixedly arranged on the third layer plate.
Description
Technical Field
The utility model relates to a coal mine tunnel equipment for filling technical field especially relates to a 10 kilovolt distribution protection integration testing arrangement.
Background
Power distribution (power distribution) is a link in an electric power system that directly connects with and distributes electric energy to users. The power distribution system consists of a power distribution substation, a high-voltage distribution line, a power distribution transformer, a low-voltage distribution line and corresponding control protection equipment. At present, the reliability of a power distribution system on a user side is one of important indexes for power supply enterprise assessment, and simultaneously, the reliability of the power distribution system on the user side also reflects the operation condition and the technical management level of a power supply network, is a key reference index for power grid construction and transformation, and is also an important mark for measuring the developed degree of national power. Along with the development of the times, users are required to have higher reliability, more flexibility and intelligence, more convenience in operation, more energy conservation in operation, simpler maintenance and higher safety performance by a power distribution system.
However, in the current prior art, the following problems exist in the test of the 10 kv distribution system:
1. the 10 kilovolt pole-mounted switch is generally on a 10 kilovolt line, is far away from a residential area, and is not used by a 220 alternating current power supply nearby; the 10 kV switching station is built in an unpowered cell, a factory and the like, is not supplied with power formally and lacks a stable test power supply; the 10 kV ring main unit is usually built beside a road and a cell which are built in advance, is not supplied with power formally and cannot provide a stable test power supply.
2. The manufacturers of equipment such as 10 kilovolt pole-mounted switches, switching stations, ring main units and the like are numerous, and the manufacturers have different standards on the power supply of the protection device, the operation loop and the control loop, and generally adopt 48-volt power supply, wherein the standards of the manufacturers are different, and the manufacturers use alternating current power supply, direct current power supply and 48-volt direct current power supply, and communication equipment generally adopt 48-volt power supply.
3. The 10 kV switching station is provided with AC/DC equipment, supplies power for the protection device, the operation loop and the control loop, and can start the test only when a temporary power supply is connected without a formal power supply and the AC/DC equipment cannot be used.
4. In a 10-kilovolt ring main unit, a 220-volt alternating current power supply and a 48-volt direct current power supply are generally supplied by a 10-kilovolt high-voltage incoming line PT, before the ring main unit is not powered on, a temporary power supply must be connected to supply power to a ring main unit protection device, a communication device, an operation loop and a control loop, the ring main unit generally carries a 48-kilovolt storage battery to supply power to each device, and after the electric quantity of the storage battery is used up, the temporary power supply must be connected to charge.
5. When the protection device test is implemented, on-site investigation is needed firstly, the power supply condition of each device is determined, whether the on-site alternating current and direct current power supply is available or not is determined, and whether the protection device has test conditions or not is determined. And then preparing the generator, the relay protection tester, the test line and the temporary power line. Meanwhile, after the on-site alternating current and direct current power supply has test conditions, the on-site alternating current and direct current power supply can be tested on site.
Disclosure of Invention
The utility model aims at solving the above problem, provide a 10 kilovolt distribution protection integration testing arrangement, overcome prior art's above-mentioned defect.
In order to realize the purpose, the technical scheme of the utility model is that:
a10 kV distribution protection integrated testing device comprises a base plate, traveling wheels arranged below the base plate, a support arranged on the base plate, a first layer plate, a second layer plate and a third layer plate, wherein the first layer plate, the second layer plate and the third layer plate are parallel to the base plate and welded on the support from bottom to top; a 48V voltage-stabilized direct-current power supply which can convert alternating current 220V into direct current 48V is fixedly arranged on the bottom plate, a 220V direct-current power supply which outputs direct current DC220V is fixedly arranged on the first layer plate, a generator which outputs 220V alternating current, a 220V plug and/or a 220V jack which can be externally connected with 220V alternating current, and an external socket or an external jack which can output 220V alternating current are fixedly arranged on the second layer plate; and a relay protection tester is fixedly arranged on the third layer plate.
As a further technical scheme, a double-power-supply converter is fixedly arranged on the second layer plate, the generator, the 220V plug and/or the 220V jack are connected onto the double-power-supply converter, and a two-phase output line is led out from the double-power-supply converter and is electrically connected with the relay protection tester, the 220V direct-current power supply and the 48V stabilized direct-current power supply in a conducting mode through the two-phase output line.
As a further technical scheme, the bottom plate, the first layer plate, the second layer plate and the third layer plate are rectangular plates, and the walking wheels are universal walking wheels, four in number and arranged at four corners of the bottom surface of the bottom plate.
As a further technical scheme, the number of the supporting columns is four, and the supporting columns are arranged at four corners of the bottom plate. The support column is welded on the bottom plate, can support the first layer plate, the second layer plate and the third layer plate, and provides enough support strength for the first layer plate, the second layer plate and the third layer plate so as to support the heavy voltage of the generator, the relay protection tester, the 48-volt voltage-stabilizing direct-current power supply and the 220-volt direct-current power supply.
As a further technical scheme, the top of each support column is provided with a top plate, and the top plates are fixedly connected with the four support columns through welding to provide protection for the relay protection tester on the third bottom plate.
In a particular option, the generator provides 220 ac power for each module. The leakage protector can prevent human body from electric shock and provide protection function when the internal circuit is short-circuited. The 220V AC test power supply output provides 220V AC power supply for external equipment, 10 kV column switch, 10 kV switch cabinet and 10 kV ring main unit, and is used for protection device, operation loop and control loop.
The inventor selects the module type of the 220V DC test power supply as S-250-220 to provide DC power supply for other 220 pairs of DC equipment such as a DC operation loop, a DC control loop and the like. The specific parameters are as follows: the input voltage AC is 110-230V (110V is supported with a toggle switch); output voltage DC220V 1.2.2A; output power of 250W; size 215 x 115 x 50 MM; the weight is 1.15 KG; the heat dissipation mode is built-in thickened aluminum sheet heat dissipation + fan (heat dissipation is stronger).
The inventor selects the model number S-50-48 of the 48V DC test power supply to provide test power supply for other DC equipment such as a 48V DC operation loop, a DC control loop, communication equipment and the like. The specific parameters are as follows: input voltage DC80V-DC 140V; output voltage DC48V 2A; the output power is 100W; size 199 x 99 x 38MM weight 0.7 KG; the heat dissipation mode is as follows: and a thickened aluminum sheet is arranged in the radiator for heat dissipation.
The relay model selected by the inventor is a TKJB-702 three-phase micro-electro-mechanical protection tester. And carrying out protection verification on the protection device and carrying out a transmission test on a 10 kV switch.
Compared with the prior art, the utility model has the advantages and positive effect be:
the utility model discloses a 10 kilovolt distribution protection integration testing arrangement has following advantage: 1. the test power supply is stable, and the generator of device can solve the power supply problem of test power supply, avoids interim test power outage scheduling problem to influence experimental progress. 2. The integration level is high, alternating current and direct current test power supplies of all levels are complete, 220V alternating current, 220V direct current and 48V direct current can be directly taken from the device, the protection device can be checked, an operation loop and a control loop can be electrified without waiting for the on-site alternating current and direct current equipment to be in place, and the protection device can be directly in communication connection with a dispatching center. 3. The equipment is complete, one equipment is used for testing all protection devices, and the switch test and the communication connection test can be used for carrying out all known test items at present, so that repeated dispatching is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of the mechanical structure of the present invention;
fig. 2 is a schematic diagram of the circuit structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by a person of ordinary skill in the art without creative efforts shall be included in the protection scope of the present invention.
As shown in fig. 1 and 2, the 10 kv distribution protection integrated testing device of the present invention comprises a bottom plate 12, a traveling wheel 1 disposed under the bottom plate 12, a pillar 8 disposed on the bottom plate 12, a first layer plate 3, a second layer plate 15 and a third layer plate 13 which are parallel to the bottom plate 12 and welded on the pillar 8 from bottom to top; a 48-volt regulated direct-current power supply 2 capable of converting alternating current 220V into direct current 48V is fixedly arranged on the bottom plate 12, a 220-volt direct-current power supply 11 for outputting direct current DC220V is fixedly arranged on the first layer plate 3, and a generator 16 for outputting 220V alternating current, a 220V plug 14 and/or a 220V jack 9 capable of externally connecting 220V alternating current, and an external socket 4 or an external jack 4 capable of outputting 220V alternating current are fixedly arranged on the second layer plate 15; and a relay protection tester 5 is fixedly arranged on the third layer plate 13.
As a further technical scheme, a dual-power converter is fixedly arranged on the second layer plate 15, the generator 16, the 220V plug 14 and/or the 220V jack 9 are connected to the dual-power converter, and a two-phase output line is led out from the dual-power converter and is conductively connected with the relay protection tester 5, the 220V dc power supply 11 and the 48V regulated dc power supply 2 through the two-phase output line.
As a further technical scheme, the bottom plate 12, the first layer plate 3, the second layer plate 15 and the third layer plate 13 are rectangular plates, and the traveling wheels 1 are universal traveling wheels, four in number, and are arranged at four corners of the bottom surface of the bottom plate 12.
As a further technical solution, four of the support columns 8 are arranged at four corners of the bottom plate 12. The support column 8 is welded on the bottom plate 12, and can support the first layer plate 3, the second layer plate 15 and the third layer plate 13, so that the first layer plate 3, the second layer plate 15 and the third layer plate 13 can provide enough support strength to support the generator 16 and the relay protection tester 5, the 48V stabilized direct current power supply 2 and the 220V direct current power supply 11.
As a further technical solution, a top plate 6 is disposed on the top of the pillar 8, and the top plate 6 is fixedly connected with the four pillars 8 by welding to provide protection for the relay protection tester 5 on the third bottom plate 13.
In a particular option, the generator provides 220 ac power for each module. The leakage protector can prevent human body from electric shock and provide protection function when the internal circuit is short-circuited. The 220V AC test power supply output provides 220V AC power supply for external equipment, 10 kV column switch, 10 kV switch cabinet and 10 kV ring main unit, and is used for protection device, operation loop and control loop.
The inventor selects the module type of the 220V DC test power supply as S-250-220 to provide DC power supply for other 220 pairs of DC equipment such as a DC operation loop, a DC control loop and the like. The specific parameters are as follows: the input voltage AC is 110-230V (110V is supported with a toggle switch); output voltage DC220V 1.2.2A; output power of 250W; size 215 x 115 x 50 MM; the weight is 1.15 KG; the heat dissipation mode is built-in thickened aluminum sheet heat dissipation + fan (heat dissipation is stronger).
The inventor selects the model number S-50-48 of the 48V DC test power supply to provide test power supply for other DC equipment such as a 48V DC operation loop, a DC control loop, communication equipment and the like. The specific parameters are as follows: input voltage DC80V-DC 140V; output voltage DC48V 2A; the output power is 100W; size 199 x 99 x 38MM weight 0.7 KG; the heat dissipation mode is as follows: and a thickened aluminum sheet is arranged in the radiator for heat dissipation.
The relay model selected by the inventor is a TKJB-702 three-phase micro-electro-mechanical protection tester. And carrying out protection verification on the protection device and carrying out a transmission test on a 10 kV switch.
Compared with the prior art, the utility model has the advantages and positive effect be:
the utility model discloses a 10 kilovolt distribution protection integration testing arrangement, though the combination of a great deal of current device, nevertheless fully considered the needs of 10 kilovolt distribution tests, make up them one and integrate, can satisfy the needs of 10 kilovolt distribution tests, specific this device has following advantage: 1. the test power supply is stable, and the generator of device can solve the power supply problem of test power supply, avoids interim test power outage scheduling problem to influence experimental progress. 2. The integration level is high, alternating current and direct current test power supplies of all levels are complete, 220V alternating current, 220V direct current and 48V direct current can be directly taken from the device, the protection device can be checked, an operation loop and a control loop can be electrified without waiting for the on-site alternating current and direct current equipment to be in place, and the protection device can be directly in communication connection with a dispatching center. 3. The equipment is complete, one equipment is used for testing all protection devices, and the switch test and the communication connection test can be used for carrying out all known test items at present, so that repeated dispatching is avoided.
Claims (5)
1. The utility model provides a 10 kilovolt distribution protection integration testing arrangement which characterized in that: the walking wheel comprises a bottom plate, a walking wheel arranged below the bottom plate, a support column arranged on the bottom plate, a first layer plate, a second layer plate and a third layer plate, wherein the first layer plate, the second layer plate and the third layer plate are parallel to the bottom plate and are welded on the support column from bottom to top; a 48V voltage-stabilized direct-current power supply which can convert alternating current 220V into direct current 48V is fixedly arranged on the bottom plate, a 220V direct-current power supply which outputs direct current DC220V is fixedly arranged on the first layer plate, a generator which outputs 220V alternating current, a 220V plug and/or a 220V jack which can be externally connected with 220V alternating current, and an external socket or an external jack which can output 220V alternating current are fixedly arranged on the second layer plate; and a relay protection tester is fixedly arranged on the third layer plate.
2. The 10 kv distribution protection integrated test device according to claim 1, wherein: the second laminate is fixedly provided with a double-power-supply converter, the generator, the 220V plug and/or the 220V jack are/is connected to the double-power-supply converter, and the double-power-supply converter is led out with a two-phase output line and is electrically connected with the relay protection tester, the 220V direct-current power supply and the 48V voltage-stabilizing direct-current power supply through the two-phase output line.
3. The 10 kv distribution protection integrated test device according to claim 1, wherein: the bottom plate, the first layer plate, the second layer plate and the third layer plate are rectangular plates, the walking wheels are universal walking wheels, the number of the walking wheels is four, and the walking wheels are arranged at four corners of the bottom surface of the bottom plate.
4. The 10 kv distribution protection integrated test device according to claim 1, wherein: the number of the supporting columns is four, and the supporting columns are arranged at four corners of the bottom plate.
5. The 10 kv distribution protection integrated test device according to claim 1, wherein: the top of the support post is provided with a top plate, and the top plate is fixedly connected with the four support posts through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735022.0U CN210038021U (en) | 2019-05-22 | 2019-05-22 | 10 kilovolt distribution protection integration testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735022.0U CN210038021U (en) | 2019-05-22 | 2019-05-22 | 10 kilovolt distribution protection integration testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN210038021U true CN210038021U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920735022.0U Active CN210038021U (en) | 2019-05-22 | 2019-05-22 | 10 kilovolt distribution protection integration testing arrangement |
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| Country | Link |
|---|---|
| CN (1) | CN210038021U (en) |
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- 2019-05-22 CN CN201920735022.0U patent/CN210038021U/en active Active
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