CN114447836B - Full-power medium-voltage converter with inertia protection for wind power - Google Patents
Full-power medium-voltage converter with inertia protection for wind power Download PDFInfo
- Publication number
- CN114447836B CN114447836B CN202210122108.2A CN202210122108A CN114447836B CN 114447836 B CN114447836 B CN 114447836B CN 202210122108 A CN202210122108 A CN 202210122108A CN 114447836 B CN114447836 B CN 114447836B
- Authority
- CN
- China
- Prior art keywords
- air
- box body
- inner box
- pipe
- converter
- 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
- 239000007789 gas Substances 0.000 claims abstract description 49
- 239000011261 inert gas Substances 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 14
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 3
- 238000000605 extraction Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 14
- 239000000126 substance Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000010248 power generation Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/075—Earthing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a full-power medium-voltage converter with inert protection for wind power, which comprises an outer box body and an inner box body, wherein a vacuum pump is arranged on the outer wall of the top of the outer box body through bolts, a plurality of groups of buffer rods which are arranged at equal intervals are arranged on the inner side of the outer box body, one end of each buffer rod is provided with the inner box body, a partition plate is arranged on the rear wall of the inner side of the inner box body, a plurality of groups of vent holes are formed in the inner side of the partition plate, and three groups of support plates which are longitudinally arranged are arranged between the partition plate and the inner box body through bolts. According to the invention, by arranging the gas storage tanks, workers control the valves at the top of a group of gas storage tanks to be opened, inert gas is transmitted into the inner box body through the gas transmission pipe, so that the inert gas is filled into each corner in the inner box body, and due to the characteristics of the inert gas, electrons which can freely move are not easily generated due to strong intermolecular valence bond force because of the inert gas chemical property, the insulating effect is realized, and the safety of the device is ensured.
Description
Technical Field
The invention relates to the technical field of converters, in particular to a full-power medium-voltage converter with inertia protection for wind power.
Background
With the gradual maturation of power technology and the development of natural resources at the current stage, wind power generation is increasingly widely applied, in wind power generation, a medium-voltage converter is required to rectify current generated by wind power into direct current, then the power is inverted into alternating current through an inverter, the current is set into electric energy capable of surfing the internet, and the medium-voltage converter and the electric energy are matched with each other, so that the natural wind power resources can be converted into electric power resources.
The current transformer in the prior art has the following defects:
1. patent document CN111628626B discloses a converter with ventilation and noise elimination wind channel, "including the cabinet body and circuit device, circuit device sets up in the cabinet body, is provided with air intake and air outlet on the body wall of the cabinet body, and the cabinet body is internal still to be provided with the drainage board, and the drainage board sets up between the cabinet body and circuit device, and the cavity that the drainage board and the part body wall of the cabinet body formed is ventilation and noise elimination wind channel, and the partial structure of drainage board sets up with the air intake relatively, and the drainage board blocks the noise that the cabinet body is inside to be produced and directly propagates outside the cabinet body through the air intake. The converter with the ventilation and noise elimination air duct can realize good ventilation and heat dissipation and can well control noise generated by the converter. "the conventional device lacks an inert gas delivery structure, and the current transformer electrical equipment is easy to cause the condition of electric spark.
2. Patent document CN106329888B discloses a current transformer with an air-cooled heat dissipation structure, "comprising: the switch cabinet comprises a pre-charging assembly, a stator contactor, a net side contactor, a main circuit breaker and a net side inlet area which are sequentially arranged from top to bottom. The control cabinet comprises a first layer, a second layer and a third layer which are sequentially arranged from top to bottom in a layered mode, wherein the first layer comprises a low-voltage control electric appliance board assembly, a Crowbar module and a chopper module, the second layer comprises a high-voltage control electric appliance board assembly, a capacitor assembly and a UPS, and the third layer comprises a grid-side reactor and an external signal interface assembly. The power cabinet comprises a pulse distribution module and a combined resistor which are arranged at the upper part of the power cabinet, and a power module, a centrifugal fan and a machine side reactor which are arranged at the lower parts of the pulse distribution module and the combined resistor from top to bottom in sequence. The converter with the air-cooled radiating structure has the advantages of compact structure, smaller volume, lower cost and better radiating effect, is easy to maintain and replace, and the internal radiating structure of the traditional device is mostly a ventilated radiating structure, is not suitable for a closed box body and cannot meet the radiating requirement of the closed device.
3. Patent document CN211089431U discloses a current transformer with smoke and fire protection device, "comprising a current transformer box body, wherein a plurality of air outlets are respectively arranged on the front and rear sides of the current transformer box body, the four corners of the lower surface of the current transformer box body are fixedly connected with bases, the center of the inside of the current transformer box body is fixedly connected with a partition board, and the inside of the current transformer box body is fixedly connected with a current transformer module group. This converter with firework protection device, through the cooperation between water storage tank, the through-hole, the fan, the block terminal, standpipe and the water storage tank, carry out the circular telegram with the fan, the inside clean water's of reduction curved pipe temperature for the effect to converter module group cooling is ensured, when the inside water level of water storage tank is less than the bottom of standpipe, the inside clean water of water storage tank can be automatic carry out moisturizing to the water storage tank, can reduce the user to the water adding frequency of water storage tank, has reduced the user's labor ability. The traditional device can not accurately judge the air pressure during air supply and air exhaust, so that the condition that the air pressure in the device is too high or too low is caused.
4. Patent document CN113079668A discloses an energy-saving and environment-friendly wind power generation medium voltage converter and a using method thereof, and the energy-saving and environment-friendly wind power generation medium voltage converter comprises a medium voltage converter main body, lifting blocks and long rectangular blocks, wherein two groups of lifting blocks are arranged at the bottom of the medium voltage converter main body, two groups of grooves are formed in the tops of the two groups of lifting blocks, long rectangular blocks are arranged on the bottom walls of the two groups of grooves, sleeve frames are arranged on the outer walls and the back surfaces of the two sides of the medium voltage converter main body, movable structures are arranged on the outer walls of the two sides of the medium voltage converter main body, rotating rods are arranged in the movable structures, a first rain baffle is arranged on the outer surface of each rotating rod, and a water baffle is arranged at the top of the first rain baffle. When the electric push rod and the electric telescopic rod sense rainwater through the installed rainwater sensor, the electric push rod and the electric telescopic rod can make corresponding reactions, at the moment, the rain shielding component can be used for shielding rain and snow, the lifting block can lift the main body, the main body of the device can be fixed through the mutual matching of the sleeve frame, the inserting block and the inclined plate, the wind resistance of the device is improved, the traditional device lacks a shock absorption protection structure, and the device is easily damaged due to the influence of the outside in the installation process.
Disclosure of Invention
The invention aims to provide a full-power medium-voltage converter with inertia protection for wind power, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the full-power medium-voltage converter with the inert protection for wind power comprises an outer box body and an inner box body, wherein a vacuum pump is arranged on the outer wall of the top of the outer box body through bolts, a plurality of groups of buffer rods which are arranged at equal intervals are arranged on the inner side of the outer box body, the inner box body is arranged at one end of each buffer rod, a partition plate is arranged on the rear wall of the inner side of the inner box body, a plurality of groups of vent holes are formed in the inner side of the partition plate, three groups of longitudinally arranged support plates are arranged between the partition plate and the inner box body through bolts, and the converter is arranged on the top of each support plate through bolts;
the bottom of the outer box body is provided with a bottom box, the bottom wall of the inner side of the bottom box is provided with a fixed plate through a bolt, the top of the fixed plate is provided with a fixed semi-ring, and the front of the fixed semi-ring is movably provided with an air storage tank;
the inner side bottom wall of the bottom box is provided with a mounting frame, and the inner side of the mounting frame is provided with a radiating pipe through a supporting piece.
Preferably, the front of the outer box body is connected with a movable door through a hinge, a controller is arranged on the front of the movable door, a rain shielding shed is arranged on the outer wall of the top of the outer box body, the rain shielding shed is positioned on the outer side of the vacuum pump, and exhaust holes are formed in the outer walls of the two sides of the rain shielding shed.
Preferably, the input end of the vacuum pump is provided with a vacuum exhaust pipe, one end of the vacuum exhaust pipe is provided with a control valve, the bottom end of the control valve is provided with an air suction pipe, the bottom end of the air suction pipe is installed on the top wall of the inner box body in a penetrating manner, and the air suction pipe penetrates the inner side of the top wall of the outer box body.
Preferably, the grounding wire is installed on the inner bottom wall of the inner box body, the grounding wire penetrates through the inner wall of the inner box body, meanwhile, the grounding wire penetrates through one side inner wall of the outer box body, the temperature air pressure sensor is installed on the inner top wall of the inner box body, and the sealing cover is installed on the front face of the inner box body through bolts.
Preferably, the air vent is arranged on the inner side of the supporting plate, the supporting pipe is arranged at the bottom of the supporting plate through bolts, and the blower is arranged on the inner side of the supporting pipe through the bracket.
Preferably, the front of the bottom box is movably provided with a door body through a hinge, and the inner side of the door body is provided with a heat dissipation opening.
Preferably, the connecting screw rod is installed in the positive running through in both sides of fixed semi-ring, and movable semi-ring is installed through connecting screw rod in both sides front of fixed semi-ring, and movable semi-ring and fixed semi-ring cover are in the outside of gas holder, and the air gauge is installed in the front of gas holder, and the valve is installed at the top of gas holder, and the internal thread interface is installed on the top of valve, and the connector is installed through the screw thread to the inboard of internal thread interface, and the gas-supply pipe is installed at the top of connector, and the gas-supply pipe runs through the diapire inboard of outer box, and the top of gas-supply pipe runs through the diapire inboard of installing the inner box.
Preferably, the support frame is installed to the inboard of installing frame, and the air heater is installed through the support frame to the inboard of installing frame, and the air heater is located the rear of cooling tube, and the assembly tube is installed on the top of cooling tube, and the connecting pipe is installed to bottom one side of cooling tube, and the air delivery pump is installed to the one end of connecting pipe, and the air duct is installed to the input of air delivery pump, and the air duct runs through the diapire inboard of outer box, and the top of air duct runs through the diapire inboard of installing the inner box.
Preferably, the working steps of the full-power medium-voltage converter are as follows:
s1, a worker fixes the converter on the top of a supporting plate through bolts, the supporting plate supports the converter, stability of the converter is guaranteed, after the converter is installed, the worker fixes a sealing cover on the front face of an inner box through threads, the inner box and the inner side of the sealing cover are in a sealed state, an outer box supports the inner box through a buffer rod, the buffer property of the device is improved through the buffer rod, the inner box is isolated from the outside, the device is prevented from being damaged by the impact of the outside, safety of the device is guaranteed, the worker closes two groups of movable doors on the front face of the outer box, sealing performance of the device is improved, the two groups of movable doors are connected through a coded lock, sealing performance of the movable doors is guaranteed, and safety of the device is guaranteed;
s2, after the installation of the device is completed, a worker controls the vacuum pump to operate through the controller, suction is generated at the input end of the vacuum pump in the operation process, the control valve is opened to pump air in the inner box through the matching of the vacuum exhaust pipe and the air suction pipe, the air is discharged through the air outlet end of the vacuum pump, the inner box is in a negative pressure state, the pressure in the inner box is detected through the temperature and air pressure sensor in the air pumping process, and when the pressure reaches a specified value, the control valve is closed to seal the inner box;
s3, after air suction is completed, controlling a valve at the top of a group of air storage tanks to be opened, and controlling the inert gas in the air storage tanks to enter the inside of the connectors through the internal threaded interfaces because the air pressure in the air storage tanks is too high, transmitting the inert gas to the inside of the gas transmission pipes through the connectors, transmitting the inert gas to the inside of the inner box body through the gas transmission pipes, filling the inert gas into each corner in the inner box body, and controlling the valve on the second group of air storage tanks to be opened until the air pressure in the inner box body is recovered to be normal by the characteristics of the inert gas, wherein the inert gas is inert in chemical property, the valence bond force among molecules is strong, electrons which can freely move are not easily generated, the insulation effect is realized, the safety of the device is ensured, the air pressure is detected by the temperature air pressure sensor in the air transmission process, and whether the air pressure is recovered to be normal or not is judged, and if the air pressure is not recovered to be normal by controlling the valve on the second group of air storage tanks;
s4, a large amount of heat can be generated in the running process of the converter, the air in the device is in a static state and cannot be rapidly radiated, the blower on the inner side of the supporting tube runs, the air is driven to move, the air moves upwards to blow the outer surface of the converter through the vent holes, the radiating speed of the converter is increased, the heat is radiated into the air, the device cannot be radiated out due to the fact that the device is closed, the temperature of the device is easily high, the operation input end of the air conveying pump generates suction, the air in the air guide pipe is pumped by the air conveying pump, the air in the inner box is pumped by the air guide pipe, the air passes through the inner part of the connecting pipe, the air is transmitted to the inner part of the radiating pipe through the connecting pipe, the contact area between the air and the air is enlarged due to the fact that the radiating pipe meanders the crankshaft, the radiating fan runs when the radiating pipe conducts the heat in the air, the radiating fan drives the air to move forwards, the radiating speed of the heat on the device is accelerated when the air passes through the outer side of the radiating pipe, the air achieves the cooling effect, and the low-temperature air is transmitted to the inner part of the inner box through the assembly pipe, and the temperature of the inner air in the inner box is lowered.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a worker controls the valve at the top of a group of air storage tanks to open, the inert gas in the air storage tanks enters the connector through the internal thread interface because the air pressure in the air storage tanks is too high, the inert gas is transmitted to the inside of the gas transmission pipe through the connector, the inert gas is transmitted to the inside of the inner box body through the gas transmission pipe, so that the inert gas is filled into each corner in the inner box body, and due to the characteristic of the inert gas, the inert gas is inert in chemical property, the valence bond force among molecules is strong, electrons which can freely move are not easily generated, the insulation effect is realized, the safety of the device is ensured, the air pressure is detected by the temperature and air pressure sensor in the air transmission process, whether the air pressure is recovered to the normal air pressure level is judged, and if not, the valve on the second group of air storage tanks is controlled to open, the air is transmitted to the inside of the device until the air pressure in the inner box body is recovered to be normal, and the sufficient insulation gas is ensured.
2. According to the invention, the radiating pipe is arranged, the air in the air guide pipe is pumped by the air guide pipe, the air in the inner box body is pumped by the air guide pipe, the air passes through the inner part of the connecting pipe, the air is transmitted to the inner part of the radiating pipe by the connecting pipe, the radiating pipe meanders the crankshaft, so that the contact area between the air and the air is enlarged, the radiating fan operates while the radiating pipe conducts heat in the air, the radiating fan drives the air to move forwards, when the air passes through the outer side of the radiating pipe, the radiating speed of heat on the device is accelerated, the air achieves the cooling effect, and low-temperature air is transmitted to the inner box body through the assembling pipe and is used for reducing the temperature of the air in the inner box body, so that the cooling of the device is realized.
3. The invention is provided with the temperature air pressure sensor, the temperature air pressure sensor is internally provided with the air pressure sensing element and the temperature sensing element and is used for detecting the air pressure and the temperature change in the inner box body, then the detected information is transmitted to the controller, and the worker controls the vacuum pump and the vacuum pump according to the detected air pressure change.
4. According to the invention, the buffer rod is arranged, the outer box body supports the inner box body through the buffer rod, the buffer property of the device is increased through the buffer rod, the inner box body is isolated from the outside, the device is prevented from being damaged by the impact of the outside, and the safety of the device is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a front cross-sectional structure of the present invention;
FIG. 3 is a schematic view of a vacuum pump according to the present invention;
FIG. 4 is a schematic view of a support plate structure according to the present invention;
FIG. 5 is a schematic view of the structure at A of the present invention;
FIG. 6 is a schematic diagram of a gas delivery tube according to the present invention;
FIG. 7 is a schematic view of a mounting frame structure of the present invention;
fig. 8 is a schematic diagram of a gas tank according to the present invention.
In the figure: 1. an outer case; 101. a buffer rod; 102. a rain shed; 103. an exhaust hole; 104. a movable door; 105. a controller; 2. a vacuum pump; 201. a vacuum exhaust pipe; 202. a control valve; 203. an air suction pipe; 3. an inner case; 301. a temperature and air pressure sensor; 302. a closing cap; 303. a partition plate; 304. a vent hole; 305. a ground wire; 4. a support plate; 401. a vent hole; 402. a support tube; 403. a blower; 404. a current transformer; 5. a bottom box; 501. a door body; 502. a heat radiation port; 6. a gas storage tank; 601. an air gauge; 602. a valve; 603. an internal threaded interface; 604. a stationary half ring; 605. a fixing plate; 606. a movable half ring; 607. a connecting screw; 7. a gas pipe; 701. a connector; 8. a mounting frame; 801. a heat radiating pipe; 802. a support frame; 803. a heat radiation fan; 804. assembling a tube; 805. a connecting pipe; 806. an air delivery pump; 807. and an air duct.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, 2 and 3, an embodiment of the present invention provides: full-power medium-voltage converter with inertia protection for wind power;
the first embodiment comprises an outer box 1 and an inner box 3, wherein a vacuum pump 2 is arranged on the outer wall of the top of the outer box 1 through bolts, a vacuum exhaust pipe 201 is arranged at the input end of the vacuum pump 2, a control valve 202 is arranged at one end of the vacuum exhaust pipe 201, an air suction pipe 203 is arranged at the bottom end of the control valve 202, the bottom end of the air suction pipe 203 is arranged on the top wall of the inner box 3 in a penetrating manner, the air suction pipe 203 penetrates the inner side of the top wall of the outer box 1, the vacuum pump 2 is controlled to operate through a controller 105, suction is generated at the input end in the operating process of the vacuum pump 2, the control valve 202 is opened to suck air in the inner box 3 through the cooperation of the vacuum exhaust pipe 201 and the air suction pipe 203, the air is discharged through the air outlet end of the vacuum pump 2, the inner box 3 is in a negative pressure state, the pressure in the inner box 3 is detected through a temperature and air pressure sensor 301 in the air suction process, when the pressure reaches a specified value, the control valve 202 is closed to seal the inner box body 3, the front surface of the outer box body 1 is connected with the movable door 104 through a hinge, the movable door 104 separates the outer box body 1 from the outside, the front surface of the movable door 104 is provided with the controller 105, the controller 105 controls the operation of the device, the outer wall of the top of the outer box body 1 is provided with the rain shielding shed 102, the rain shielding shed 102 is positioned at the outer side of the vacuum pump 2, the outer wall of the two sides of the rain shielding shed 102 is provided with the air exhaust holes 103, the outer box body 1 fixes the top of the rain shielding shed 102, the vacuum pump 2 is isolated from the outside through the rain shielding shed 102 on the vacuum pump 2 for preventing rainwater from dripping, the safety of the device is ensured, the inner side of the outer box body 1 is provided with a plurality of groups of buffer rods 101 which are equidistantly arranged, the outer box body 1 supports the inner box body 3 through the buffer rods 101 for increasing the buffering performance of the device through the buffer rods 101, the inner box body 3 is isolated from the outside, so that the device is prevented from being damaged by the impact of the outside, and the safety of the device is ensured.
Referring to fig. 2, 4 and 5, an embodiment of the present invention is provided: full-power medium-voltage converter with inertia protection for wind power;
the second embodiment comprises an outer case 1 and an inner case 3, wherein the inner case 3 is installed at one end of the buffer rod 101, a partition plate 303 is installed on the inner rear wall of the inner case 3, the inner case 3 is fixed to the partition plate 303 at the inner side, the stability of the partition plate 303 is ensured, the partition plate 303 is matched with the inner case 3 to support a support plate 4, the stability of the support plate 4 is ensured, a plurality of groups of vent holes 304 are formed in the inner side of the partition plate 303, a grounding wire 305 is installed on the inner bottom wall of the inner case 3, the top end of the grounding wire 305 is connected with a device, the bottom end is connected with the ground, when the device leaks electricity, the grounding wire 305 transmits electricity to the ground, the safety of the device and a user is ensured, the grounding wire 305 penetrates through the inner wall of the inner case 3, meanwhile the grounding wire 305 penetrates through one side inner wall of the outer case 1, a temperature air pressure sensor 301 is installed on the inner top wall of the inner case 3, the temperature air pressure sensor 301 is internally provided with an air pressure sensing element and a temperature sensing element for detecting air pressure and temperature change in the inner box body 3, then transmitting detected information to the controller 105, wherein the front surface of the inner box body 3 is provided with a sealing cover 302 through bolts, the sealing cover 302 is fixed on the front surface of the inner box body 3 through threads, the inner sides of the inner box body 3 and the sealing cover 302 are in a sealed state, three groups of longitudinally arranged supporting plates 4 are arranged between the partition plate 303 and the inner box body 3 through bolts, the inner sides of the supporting plates 4 are provided with vent holes 401, the bottoms of the supporting plates 4 are provided with supporting pipes 402 through bolts, the inner sides of the supporting pipes 402 are provided with blowers 403 through brackets, the tops of the supporting plates 4 are provided with converters 404 through bolts, a large amount of heat can be generated in the running process of the converters 404, the air in the device is in a static state and cannot be rapidly radiated, the blower 403 on the inner side of the supporting tube 402 operates to drive the air to move, the air moves upwards to blow the outer surface of the converter 404 through the vent holes 401, the radiating speed of the converter 404 is increased, and heat is radiated into the gas.
Referring to fig. 1, 2, 6 and 8, an embodiment of the present invention is provided: full-power medium-voltage converter with inertia protection for wind power;
the third embodiment comprises an outer box 1 and an inner box 3, wherein the bottom of the outer box 1 is provided with a bottom box 5, the front surface of the bottom box 5 is movably provided with a door body 501 through a hinge, the inner side of the door body 501 is provided with a heat dissipation port 502, the bottom box 5 supports the outer box 1 at the top, the stability of the outer box 1 is ensured, the door body 501 provides isolation protection for the inside of the bottom box 5, meanwhile, the heat dissipation port 502 ensures the air circulation in the bottom box 5, the heat dissipation is convenient, the inner bottom wall of the bottom box 5 is provided with a fixing plate 605 through bolts, the top of the fixing plate 605 is provided with a fixing semi-ring 604, the front surface of the fixing semi-ring 604 is movably provided with a gas storage tank 6, the front surfaces at two sides of the fixing semi-ring 604 are provided with connecting screws 607 in a penetrating way, the front surfaces at two sides of the fixing semi-ring 604 are provided with a movable semi-ring 606 through the connecting screws 607, the movable semi-ring 606 and the fixing semi-ring 604 is sleeved at the outer side of the gas storage tank 6, the fixing plate 605 is fixed on the inner side of the bottom box 5, the stability of the fixing plate 605 is ensured, the fixing plate 605 is convenient to fix the top fixing semi-ring 604, after a worker places the air storage tank 6 on the front side of the fixing semi-ring 604, the air storage tank 6 is replaced when the air inside the front side air storage tank 6 of the fixing semi-ring 604 and the air storage tank 6 is insufficient, the movable semi-ring 606 and the fixing semi-ring 604 cooperate to fix the inner side air storage tank 6, the air meter 601 is convenient for the worker to install on the front side of the air storage tank 6, the air pressure sensing element is arranged in the front side air meter 601 of the air storage tank 6, the air quantity inside the air storage tank 6 can be judged through the air pressure intensity, the accurate judgment of the device is convenient for the worker, the valve 602 is installed on the top of the air storage tank 6, the inner threaded interface 603 is installed on the top of the valve 602, the connector 701 is installed on the inner side of the inner threaded interface 603 through threads, the gas pipe 7 is installed at the top of connector 701, gas pipe 7 runs through the diapire inboard of outer box 1, the top of gas pipe 7 runs through the diapire inboard of installing including box 3, the internal thread interface 603 passes through the screw thread and the connector 701 butt joint, make things convenient for the workman to dismantle the equipment, the valve 602 of a set of gas holder 6 top is opened, because the inside atmospheric pressure of gas holder 6 is too high, make the inside inert gas of gas holder 6 enter into the inside of connector 701 through internal thread interface 603, transmit inert gas to the inside of gas pipe 7 by connector 701, transmit inert gas to the inside of interior box 3 through gas pipe 7, make inert gas fill to each corner of the inside of interior box 3, through inert gas's characteristic, because inert gas's chemical nature is inactive, intermolecular valence bond strength is difficult to produce the electron that can freely remove, realize insulating effect, guarantee the safety of device, in the in-process of gas transmission, detect the atmospheric pressure by temperature air pressure sensor 301, judge whether atmospheric pressure resumes normal atmospheric pressure level, if not, control valve 602 on the second set of gas holder 6 is opened, with the inside of gas holder 6, the inside of gas transmission device is restored to normal atmospheric pressure, the inside of box 3.
Referring to fig. 2 and 7, an embodiment of the present invention is provided: full-power medium-voltage converter with inertia protection for wind power;
fourth embodiment comprises an outer case 1 and an inner case 3, a mounting frame 8 is mounted on the bottom wall of the inner side of the bottom case 5, a radiating pipe 801 is mounted on the inner side of the mounting frame 8 through a supporting piece, a supporting frame 802 is mounted on the inner side of the mounting frame 8, a radiating fan 803 is mounted on the inner side of the mounting frame 8 through the supporting frame 802, the radiating fan 803 is positioned behind the radiating pipe 801, a mounting pipe 804 is mounted on the top end of the radiating pipe 801, a connecting pipe 805 is mounted on one side of the bottom end of the radiating pipe 801, an air delivery pump 806 is mounted at one end of the connecting pipe 805, an air duct 807 is mounted at the input end of the air delivery pump 806, the air duct 807 penetrates through the inner side of the bottom wall of the outer case 1, the top end of the air duct 807 penetrates through the inner side of the bottom wall of the inner case 3, the mounting frame 8 is mounted on the inner side of the bottom case 5, stability of the mounting frame 8 is ensured, the radiating fan 803 is fixed on the inner side of the mounting frame 8, ensure that cooling fan 803 can steady operation, air pump 806 operation input produces the suction, the inside air of air duct 807 is taken out by air pump 806, the inside gas of box 3 is taken out to the air duct 807, the inside of air through connecting pipe 805, the inside of cooling tube 801 is transmitted with the air by connecting pipe 805, cooling tube 801 meanders the bent axle, make the area of contact of gas and air enlarge, when cooling tube 801 carries out the heat conduction export in the gas, cooling fan 803 operation, cooling fan 803 drives the air and moves forward, when the outside of air through cooling tube 801, accelerate the radiating rate of heat on the device, make the air reach the effect of cooling, the low temperature gas is transmitted to inside box 3 through the packing tube 804 for reduce the temperature of the inside air of interior box 3, realize the cooling of device.
The working steps of the full-power medium-voltage converter are as follows:
s1, a worker fixes a converter 404 on the top of a supporting plate 4 through bolts, the supporting plate 4 supports the converter 404, stability of the converter 404 is guaranteed, after the converter 404 is installed, the worker fixes a sealing cover 302 on the front surface of an inner box body 3 through threads, the inner box body 3 and the inner side of the sealing cover 302 are in a sealed state, an outer box body 1 supports the inner box body 3 through a buffer rod 101, the buffer property of the device is improved through the buffer rod 101, the inner box body 3 is isolated from the outside, the device is prevented from being damaged by the impact of the outside, safety of the device is guaranteed, the worker closes two groups of movable doors 104 on the front surface of the outer box body 1 together, sealing of the device is improved, the two groups of movable doors 104 are connected through a coded lock, sealing of the movable doors 104 is guaranteed, and safety of the device is guaranteed;
s2, after the installation of the device is completed, a worker controls the vacuum pump 2 to operate through the controller 105, suction is generated at the input end of the vacuum pump 2 in the operation process, the control valve 202 is opened to pump air in the inner box 3 through the cooperation of the vacuum exhaust pipe 201 and the air suction pipe 203, the air is discharged through the air outlet end of the vacuum pump 2, so that the inner box 3 is in a negative pressure state, the pressure in the inner box 3 is detected through the temperature and air pressure sensor 301 in the air pumping process, and when the pressure reaches a specified value, the control valve 202 is closed to seal the inner box 3;
s3, after air suction is completed, a valve 602 at the top of a group of air storage tanks 6 is controlled to be opened, because the air pressure in the air storage tanks 6 is too high, inert gas in the air storage tanks 6 enters the inside of a connector 701 through an internal thread interface 603, the inert gas is transmitted to the inside of an air transmission pipe 7 through the connector 701, the inert gas is transmitted to the inside of an inner box 3 through the air transmission pipe 7, the inert gas is filled into each corner in the inner box 3, and due to the characteristic of the inert gas, electrons which can freely move are not easily generated due to strong intermolecular valence force because of inactive chemical property of the inert gas, the insulation effect is realized, the safety of the device is ensured, the air pressure is detected by a temperature air pressure sensor 301 in the air transmission process, and if the air pressure is recovered to the normal air pressure level, if not, the valve 602 on a second group of the air storage tanks 6 is controlled to be opened, the air is transmitted to the inside the device until the air pressure in the inner box 3 is recovered to be normal, and the safety of the device is ensured;
s4, a large amount of heat can be generated in the operation process of the converter 404, the air in the device is in a static state and cannot be rapidly radiated, the blower 403 on the inner side of the supporting tube 402 operates to drive the air to move, the air moves upwards to blow the outer surface of the converter 404 through the vent 401, the radiating speed of the converter 404 is increased, the heat is radiated into the air, the heat cannot be radiated out due to the sealing device in the device, the temperature of the device is easily caused to be too high, the air conveying pump 806 operates the input end to generate suction force, the air in the air conveying pipe 807 is pumped by the air conveying pump 806, the air in the inner box 3 is pumped by the air conveying pipe 807, the air passes through the inner part of the connecting tube 805, the air is conveyed to the inner part of the radiating tube 801 through the connecting tube 805, the contact area between the air and the radiating tube 801 is enlarged, the radiating fan 803 operates while the radiating fan 803 drives the air to move forwards, the air passes through the outer side of the radiating tube 801, the radiating speed of the heat on the device is accelerated, the air reaches the cooling effect, the low-temperature air is conveyed into the inner box 3 through the inner box 3, and the cooling device is used for cooling the air in the inner box 3.
Working principle: the converter 404 is fixed on the top of the supporting plate 4 by a worker through bolts, the converter 404 is supported by the supporting plate 4, the stability of the converter 404 is ensured, after the converter 404 is installed, the sealing cover 302 is fixed on the front surface of the inner box body 3 by the worker through threads, the inner box body 3 and the inner side of the sealing cover 302 are in a sealed state, the outer box body 1 supports the inner box body 3 through the buffer rod 101, the buffering performance of the device is improved through the buffer rod 101, the inner box body 3 is isolated from the outside, the device is prevented from being damaged by the impact of the outside, the safety of the device is ensured, the worker closes two groups of movable doors 104 on the front surface of the outer box body 1 together, the sealing performance of the device is improved, the sealing performance of the two groups of the movable doors 104 is ensured by connecting the coded lock, the safety of the device is ensured, and after the installation of the device is completed, the vacuum pump 2 is controlled by a worker through the controller 105 to operate, suction is generated at the input end of the vacuum pump 2 in the operation process, the control valve 202 is opened to pump air in the inner box 3 through the matching of the vacuum exhaust pipe 201 and the air suction pipe 203, air is discharged through the air outlet end of the vacuum pump 2, the inner box 3 is in a negative pressure state, the pressure in the inner box 3 is detected through the temperature air pressure sensor 301 in the air pumping process, when the pressure reaches a specified value, the control valve 202 is closed to seal the inner box 3, after air pumping is completed, the valve 602 at the top of the group of air tanks 6 is controlled to be opened, the inert gas in the air tanks 6 enters the connector 701 through the internal threaded interface 603 due to the fact that the air pressure in the air tanks 6 is too high, the inert gas is transmitted to the inner part of the air transmission pipe 7 through the connector 701, the inert gas is transmitted to the inside of the inner box body 3 through the gas transmission pipe 7, so that the inert gas is filled into each corner of the inside of the inner box body 3, a large amount of heat is generated in the operation process of the converter 404 because the chemical property of the inert gas is inactive, the intermolecular valence bond force is strong, electrons which can freely move are not easily generated, the insulation effect is realized, the safety of the device is ensured, the temperature and gas pressure sensor 301 is used for detecting the gas pressure in the gas transmission process, judging whether the gas pressure is restored to the normal gas pressure level, if not, the valve 602 on the second group of gas storage tanks 6 is controlled to be opened, the gas is transmitted into the device until the gas pressure in the inner box body 3 is restored to be normal, the safety of the device is ensured, a large amount of heat is generated in the operation process of the converter 404, the air in the device is in a static state and can not quickly dissipate heat, the blower 403 on the inner side of the support tube 402 is operated, the air is driven to move, the air moves upwards to blow the outer surface of the converter 404 through the vent holes 401, the heat dissipation speed of the converter 404 is increased, the heat is dissipated into the air, the heat cannot be dissipated due to the sealing device during the device, the temperature of the device is easily overhigh, the air delivery pump 806 operates to generate suction force at the input end, the air in the air delivery pipe 807 is pumped by the air delivery pump 806, the air in the inner box 3 is pumped by the air delivery pipe 807, the air passes through the inside of the connecting pipe 805, the air is transmitted to the inside of the radiating pipe 801 by the connecting pipe 805, the radiating pipe 801 meanders the crankshaft, the contact area between the air and the air is enlarged, the radiating fan 803 operates while the radiating pipe 801 conducts the heat in the air, the radiating fan 803 drives the air to move forwards, the heat dissipation speed of the heat on the device is accelerated when the air passes through the outer side of the radiating pipe 801, the air achieves the effect of cooling, the low-temperature gas is transmitted to the inside of the inner box body 3 through the assembling pipe 804, so as to reduce the temperature of the air in the inner box body 3 and realize the cooling of the device.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a full-power medium voltage current transformer for wind-powered electricity generation with inertia protection, includes outer box (1) and interior box (3), its characterized in that: the vacuum pump is characterized in that a vacuum pump (2) is arranged on the outer wall of the top of the outer box body (1) through bolts, a plurality of groups of buffer rods (101) which are arranged at equal intervals are arranged on the inner side of the outer box body (1), an inner box body (3) is arranged at one end of each buffer rod (101), a separation plate (303) is arranged on the inner side rear wall of each inner box body (3), a plurality of groups of vent holes (304) are formed in the inner side of each separation plate (303), three groups of longitudinally arranged support plates (4) are arranged between each separation plate (303) and each inner box body (3) through bolts, and a current transformer (404) is arranged on the top of each support plate (4) through bolts;
the bottom of the outer box body (1) is provided with a bottom box (5), the bottom wall of the inner side of the bottom box (5) is provided with a fixed plate (605) through bolts, the top of the fixed plate (605) is provided with a fixed semi-ring (604), and the front of the fixed semi-ring (604) is movably provided with an air storage tank (6);
a mounting frame (8) is mounted on the bottom wall of the inner side of the bottom box (5), and a radiating pipe (801) is mounted on the inner side of the mounting frame (8) through a supporting piece;
the vacuum pump is characterized in that a vacuum exhaust pipe (201) is arranged at the input end of the vacuum pump (2), a control valve (202) is arranged at one end of the vacuum exhaust pipe (201), an air suction pipe (203) is arranged at the bottom end of the control valve (202), the bottom end of the air suction pipe (203) is arranged on the top wall of the inner box body (3) in a penetrating manner, and the air suction pipe (203) penetrates the inner side of the top wall of the outer box body (1);
the inner side bottom wall of the inner box body (3) is provided with a grounding wire (305), the grounding wire (305) is installed on the inner wall of the inner box body (3) in a penetrating way, meanwhile, the grounding wire (305) penetrates through one side inner wall of the outer box body (1), the inner side top wall of the inner box body (3) is provided with a temperature and air pressure sensor (301), and the front surface of the inner box body (3) is provided with a sealing cover (302) through a bolt;
connecting screws (607) are arranged on the front surfaces of two sides of the fixed semi-ring (604) in a penetrating mode, movable semi-rings (606) are arranged on the front surfaces of two sides of the fixed semi-ring (604) through the connecting screws (607), the movable semi-rings (606) and the fixed semi-rings (604) are sleeved on the outer side of the air storage tank (6), an air meter (601) is arranged on the front surface of the air storage tank (6), a valve (602) is arranged at the top of the air storage tank (6), an internal thread interface (603) is arranged at the top end of the valve (602), a connector (701) is arranged on the inner side of the internal thread interface (603) through threads, an air pipe (7) is arranged at the top of the connector (701), the air pipe (7) penetrates through the inner side of the bottom wall of the outer box (1), and the top end of the air pipe (7) penetrates through the inner side of the bottom wall of the inner box (3).
Support frame (802) are installed to the inboard of installing frame (8), radiator fan (803) are installed through support frame (802) to the inboard of installing frame (8), radiator fan (803) are located the rear of cooling tube (801), assembly tube (804) are installed on the top of cooling tube (801), connecting pipe (805) are installed to bottom one side of cooling tube (801), air delivery pump (806) are installed to one end of connecting pipe (805), air duct (807) are installed to the input of air delivery pump (806), air duct (807) run through the diapire inboard of outer box (1), the top of air duct (807) runs through the diapire inboard of installing inner box (3).
2. The full-power medium voltage converter with inertia protection for wind power according to claim 1, wherein: the front of outer box (1) is connected with dodge gate (104) through the hinge, and controller (105) are installed in the front of dodge gate (104), installs on the top outer wall of outer box (1) and keeps off canopy (102), and it is outside that canopy (102) are located vacuum pump (2), has seted up exhaust hole (103) on the both sides outer wall of canopy (102).
3. The full-power medium voltage converter with inertia protection for wind power according to claim 1, wherein: the inner side of the supporting plate (4) is provided with a vent hole (401), the bottom of the supporting plate (4) is provided with a supporting tube (402) through bolts, and the inner side of the supporting tube (402) is provided with a blower (403) through a bracket.
4. The full-power medium voltage converter with inertia protection for wind power according to claim 1, wherein: the front of the bottom box (5) is movably provided with a door body (501) through a hinge, and the inner side of the door body (501) is provided with a heat dissipation opening (502).
5. The full-power medium voltage converter with inertia protection for wind power according to any one of claims 1-4, characterized in that the working steps of the full-power medium voltage converter are as follows:
s1, a worker fixes a converter (404) on the top of a supporting plate (4) through bolts, the supporting plate (4) supports the converter (404), stability of the converter (404) is guaranteed, after the converter (404) is installed, the worker fixes a sealing cover (302) on the front surface of an inner box body (3) through threads, the inner side of the inner box body (3) and the inner side of the sealing cover (302) are in a sealed state, an outer box body (1) supports the inner box body (3) through a buffer rod (101), buffering performance of the device is improved through the buffer rod (101), the inner box body (3) is isolated from the outside, damage to the device caused by external impact is avoided, safety of the device is guaranteed, the worker closes two groups of movable doors (104) on the front surface of the outer box body (1) together, sealing performance of the device is improved, the two groups of movable doors (104) are connected through a coded lock, and safety of the device is guaranteed;
s2, after the installation of the device is completed, a worker controls the vacuum pump (2) to operate through the controller (105), suction is generated at the input end of the vacuum pump (2) in the operation process, the control valve (202) is opened to extract air in the inner box body (3) through the matching of the vacuum exhaust pipe (201) and the air suction pipe (203), the air is discharged through the air outlet end of the vacuum pump (2), the inner box body (3) is in a negative pressure state, the pressure in the inner box body (3) is detected through the temperature and air pressure sensor (301) in the air extraction process, and when the pressure reaches a specified value, the control valve (202) is closed to seal the inner box body (3);
s3, after air suction is completed, a valve (602) at the top of a group of air storage tanks (6) is controlled to be opened, and as the air pressure in the air storage tanks (6) is too high, inert gas in the air storage tanks (6) enters the inside of a connector (701) through an internal thread interface (603), the inert gas is transmitted to the inside of an air transmission pipe (7) through the connector (701), the inert gas is transmitted to the inside of an inner box (3) through the air transmission pipe (7), so that the inert gas is filled into each corner in the inner box (3), and due to the characteristic of the inert gas, the inert gas is inert, the intermolecular valence bond force is strong, electrons which can be freely moved are not easily generated, the insulation effect is realized, the safety of the device is ensured, if the air pressure is recovered to the normal air pressure level by detecting the temperature air pressure sensor (301), and if not, the valve (602) on a second group of air storage tanks (6) is controlled to be opened, the air is transmitted to the inside the device until the air pressure in the inner box (3) is recovered, and the safety of the device is ensured;
s4, can produce a large amount of heat at converter (404) in-process that operates, the inside air of device is unable quick heat dissipation of static state, the operation of hair-dryer (403) of stay tube (402), drive the air and remove, air upwards move and blow to the surface of converter (404) through air vent (401), increase the radiating rate of converter (404), the heat gives off in the gas, because the device is closing device, the heat can't scatter, easily lead to device temperature too high, the input produces suction in air pump (806) operation, the inside air of air duct (807) is taken out by air pump (806), the inside gas of interior box (3) is taken out to air duct (807), the inside of gas through connecting pipe (805), the inside of transmitting the air to cooling tube (801) by connecting pipe (805), cooling tube (801) is crooked, make the area of contact of gas and air enlarge, when cooling tube (801) conduct out the heat in the gas, fan (803) operation, cooling fan (803) drive the air and move forward, the outside when air is through tube (801), the device is taken out suction, the inside air is taken out to the inside through cooling tube (803), the inside air cooling effect is reached to the inside cooling box (3) through cooling device, cooling effect is reached in cooling down the inside the air in the cooling box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210122108.2A CN114447836B (en) | 2022-02-09 | 2022-02-09 | Full-power medium-voltage converter with inertia protection for wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210122108.2A CN114447836B (en) | 2022-02-09 | 2022-02-09 | Full-power medium-voltage converter with inertia protection for wind power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114447836A CN114447836A (en) | 2022-05-06 |
| CN114447836B true CN114447836B (en) | 2024-03-08 |
Family
ID=81372070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210122108.2A Active CN114447836B (en) | 2022-02-09 | 2022-02-09 | Full-power medium-voltage converter with inertia protection for wind power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114447836B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115189265A (en) * | 2022-05-20 | 2022-10-14 | 江苏临海电气有限公司 | SE6 ring main unit with pressure relief protection and using method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210723891U (en) * | 2019-11-21 | 2020-06-09 | 深圳市创亿电力设备有限公司 | 10KV intelligence fixed cabinet with explosion-proof function |
| CN211629651U (en) * | 2020-04-13 | 2020-10-02 | 南通盛乐防爆电器有限公司 | Improve factor of safety's explosion-proof block terminal |
| CN212343087U (en) * | 2020-05-22 | 2021-01-12 | 广东华力电气股份有限公司 | Explosion-proof distribution box |
| CN215299979U (en) * | 2021-04-25 | 2021-12-24 | 圣道天德电气(山东)有限公司 | Environment-friendly gas insulated cabinet warning device |
-
2022
- 2022-02-09 CN CN202210122108.2A patent/CN114447836B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210723891U (en) * | 2019-11-21 | 2020-06-09 | 深圳市创亿电力设备有限公司 | 10KV intelligence fixed cabinet with explosion-proof function |
| CN211629651U (en) * | 2020-04-13 | 2020-10-02 | 南通盛乐防爆电器有限公司 | Improve factor of safety's explosion-proof block terminal |
| CN212343087U (en) * | 2020-05-22 | 2021-01-12 | 广东华力电气股份有限公司 | Explosion-proof distribution box |
| CN215299979U (en) * | 2021-04-25 | 2021-12-24 | 圣道天德电气(山东)有限公司 | Environment-friendly gas insulated cabinet warning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114447836A (en) | 2022-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204030518U (en) | The intelligent vent flap of a kind of cable duct of substation | |
| CN114447836B (en) | Full-power medium-voltage converter with inertia protection for wind power | |
| CN215681766U (en) | Relay protection box for wind driven generator | |
| CN215071296U (en) | Box-type substation who possesses dampproofing dehumidification function | |
| CN210723914U (en) | American wind power generation box-type substation | |
| CN219421257U (en) | Electrical control cabinet with good rainproof performance | |
| CN210246067U (en) | High-efficient heat abstractor of transformer substation | |
| CN212485227U (en) | Solar device relay | |
| CN118336548B (en) | Intelligent capacity-adjusting type buried charging box transformer and charging method thereof | |
| CN207459510U (en) | A photovoltaic grid-connected distribution box | |
| CN220031728U (en) | Fill electric pile with quick heat dissipation function | |
| CN208782259U (en) | A kind of high and low voltage switchgear that stability is good | |
| CN113612148A (en) | Contact box and high-voltage switch cabinet provided with same | |
| CN219535380U (en) | Control system of electrical equipment | |
| CN222191596U (en) | Box-type substation of ponding is prevented to low-lying | |
| CN220857266U (en) | Outdoor electric power control cabinet of high-efficient heat dissipation formula | |
| CN115085388B (en) | Industrial and commercial energy storage equipment based on big data | |
| CN212461327U (en) | Air-cooled energy-saving distribution transformer for building | |
| CN219394090U (en) | Energy-saving environment-friendly low-voltage cabinet device | |
| CN214848102U (en) | Water cooling structure for depth flow limiting device | |
| CN213585466U (en) | Thermal power generator with good air cooling heat dissipation performance | |
| CN220711319U (en) | Converter cabinet body convenient to heat dissipation | |
| CN220842228U (en) | Over-temperature protection device for floor type charging pile | |
| CN221598301U (en) | Hydrogen energy fuel monitoring electric control device | |
| CN222981096U (en) | A high and low voltage distribution cabinet equipped with an automatic switch window structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |