CN112578212A - Monitoring system of modular reactive power compensation device - Google Patents
Monitoring system of modular reactive power compensation device Download PDFInfo
- Publication number
- CN112578212A CN112578212A CN202011507461.XA CN202011507461A CN112578212A CN 112578212 A CN112578212 A CN 112578212A CN 202011507461 A CN202011507461 A CN 202011507461A CN 112578212 A CN112578212 A CN 112578212A
- Authority
- CN
- China
- Prior art keywords
- module
- compensation device
- control module
- signal
- tail pipe
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 66
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 239000004020 conductor Substances 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a monitoring system of a modularized reactive power compensation device, which comprises a reactive power compensation device and a measurement and control device; the measurement and control device comprises a data acquisition module and an output module which are connected with the reactive power compensation device, a control module which is respectively connected with the data acquisition module and the output module, and a monitoring module which is connected with the control module; the data acquisition module acquires circuit data signals in the reactive power compensation device in real time and sends the circuit data signals to the control module, the control module sends the circuit data signals to the monitoring module, and the monitoring module converts the circuit data signals into frequency signals and compares frequency values in the frequency signals with an early warning value V. The power factor controller can monitor whether the reactive power compensation device is still effective or not in real time, avoid oscillation of a power supply system and protect the normal operation of the power supply system.
Description
Technical Field
The invention belongs to the technical field of reactive compensation, and particularly relates to a monitoring system of a modular reactive compensation device.
Background
Reactive compensation plays a role in improving the power factor of a power grid in an electric power supply system, reduces the loss of a power supply transformer and a transmission line, improves the power supply efficiency and improves the power supply environment. The reactive power compensation device is in an indispensable and very important position in the power supply system. And the reactive power compensation device is reasonably selected, so that the loss of the power grid can be reduced to the maximum extent. In a 400V power supply system, the conventional power factor controller cannot determine whether the reactive power compensation device is still effective or not, and cannot determine when the reactive power compensation device needs to be replaced, so that the loss of the power grid cannot be well controlled.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a modularization reactive power compensator monitoring system, makes it to overcome prior art in 400V power supply system, and the power factor controller can not differentiate whether the reactive power compensator is still effectual.
The technical scheme of the invention is as follows:
a modular reactive compensation device monitoring system, comprising: the reactive power compensation device comprises a low-voltage filter reactor and a low-voltage power capacitor connected with the low-voltage filter reactor; the measurement and control device comprises a data acquisition module, an output module, a control module and a monitoring module, wherein the data acquisition module is electrically connected with the reactive power compensation device through a first line, the output module is electrically connected with the reactive power compensation device through a second line, the control module is respectively connected with the data acquisition module and the output module, and the monitoring module is connected to the control module; the reactive power compensation device is electrically connected with an output module of the measurement and control device through the low-voltage filter reactor; the first line and the second line are both detachable two-section type, and the two-section type comprises a first electric wire positioned on the reactive power compensation device and a second electric wire positioned on the measurement and control device; the tail end of the first electric wire forms a pair of first wire core ends; the tail end of the second wire forms a pair of second wire core ends; and the wiring device is detachably connected between the first wire core end and the second wire core end, can realize the electric connection between the first wire core end and the second wire core end, and enables the first line and the second line to form a passage.
As a preferable aspect of the monitoring system of the modular reactive power compensation device of the present invention, wherein: the output module comprises a relay; the reactive power compensation device is electrically connected with the relay through the low-voltage filter reactor; the data acquisition module acquires circuit data signals in the reactive power compensation device in real time and sends the circuit data signals to the control module, the control module sends the circuit data signals to the monitoring module, the monitoring module converts the circuit data signals into frequency signals and compares frequency values in the frequency signals with an early warning value V, when the frequency values in the frequency signals belong to the range of the early warning value V, the monitoring module sends alarm signals to the control module, the control module sends cut-off signals to the relay after receiving the alarm signals, and the relay is disconnected from being electrically connected with the low-voltage filter reactor after receiving the cut-off signals.
As a preferable aspect of the monitoring system of the modular reactive power compensation device of the present invention, wherein: the measurement and control device also comprises a display module; the display module is connected with the control module; when the frequency value in the frequency signal belongs to the range interval of the early warning value V, the monitoring module sends an alarm signal to the control module, and the control module sends a display signal to the display module after receiving the alarm signal and displays warning through the display module.
As a preferable aspect of the monitoring system of the modular reactive power compensation device of the present invention, wherein: the display module comprises a touch display screen; the touch display screen is connected with the control module; when the frequency value in the frequency signal belongs to the range interval of the early warning value V, the monitoring module sends an alarm signal to the control module, and the control module sends a display signal to the touch display screen after receiving the alarm signal and displays warning through the touch display screen; the touch display screen can also receive a touch signal and send the touch signal to the control module.
As a preferable aspect of the monitoring system of the modular reactive power compensation device of the present invention, wherein: the measurement and control device also comprises a warning module; the warning module comprises a light-emitting piece and/or a sound-producing piece which are connected with the control module; when the frequency value in the frequency signal belongs to the range interval of the early warning value V, the monitoring module sends an alarm signal to the control module, the control module sends a cutting signal to the light-emitting piece and/or the sound-emitting piece after receiving the alarm signal, and light-emitting warning and/or sound-emitting warning are carried out through the light-emitting piece and/or the sound-emitting piece.
As a preferable aspect of the monitoring system of the modular reactive power compensation device of the present invention, wherein: the range of the early warning value V is 95% 50N-105% 50N (N belongs to 1, 2 and 3 …) of the preset frequency value.
As a preferable aspect of the monitoring system of the modular reactive power compensation device of the present invention, wherein: the measurement and control device also comprises a wireless transceiving module; the wireless transceiving module is in wireless connection with the intelligent terminal through the server; the control module can send the acquired data information to the server for storage in real time through the wireless transceiving module, and can access or download the data information through the intelligent terminal; the intelligent terminal can also send an instruction signal to the server, the instruction signal is sent to the control module through the server, and the control module can control the work of other modules except the control module in the measurement and control device according to the instruction signal.
As a preferable aspect of the monitoring system of the modular reactive power compensation device of the present invention, wherein: the wiring device comprises a first tail pipe, a second tail pipe, a connecting sleeve connected between the first tail pipe and the second tail pipe, and an electric connection assembly arranged on the butt joint end of the first tail pipe; the power connection assembly comprises an insulation distribution board positioned in the middle, and a first conductor and a second conductor which are symmetrically fixed on two sides of the insulation distribution board; the first wire can penetrate through the tail end of the first tail pipe, a pair of first core ends at the tail end of the first wire are branched by the insulation distribution plate to form two paths, and the two paths of first core ends are respectively in one-to-one corresponding contact with the first conductor and the second conductor under the guidance of two side surfaces of the insulation distribution plate; the second wire can penetrate through the tail end of the second tail pipe, a pair of second wire core end heads at the tail ends of the second wire can be branched by the insulation distributing plate to form two paths, and the two paths of second wire core end heads are respectively in one-to-one corresponding contact with the first conductor and the second conductor under the guidance of two side faces of the insulation distributing plate.
As a preferable aspect of the monitoring system of the modular reactive power compensation device of the present invention, wherein: the outer side wall of the butt joint end of the first tail pipe is provided with an external thread; a circle of first limiting ring is arranged on the periphery of the butt joint end of the second tail pipe; one end of the connecting sleeve is provided with a second limiting ring matched with the first limiting ring, and the inner side wall of the other end of the connecting sleeve is provided with an internal thread matched with the external thread; the connecting sleeve is hooked on the outer side face of the first limiting ring through the second limiting ring of the connecting sleeve and is rotatably connected to the external thread section of the first tail pipe through the internal thread of the connecting sleeve.
As a preferable aspect of the monitoring system of the modular reactive power compensation device of the present invention, wherein: the internal channels at the tail ends of the first tail pipe and the second tail pipe are respectively provided with a corresponding sealing block; the sealing block is matched with the inner side walls of the first tail pipe and the second tail pipe, and a through hole matched with the outer diameter of the first bobbin end head is formed in the sealing block; variable grooves are distributed at the tail ends of the first tail pipe and the second tail pipe along the circumferential direction; and the tail ends of the first tail pipe and the second tail pipe are both connected with tightening sleeves covering the periphery of the deformation groove.
The invention has the beneficial effects that: the invention provides a monitoring system of a modularized reactive power compensation device, wherein a power factor controller in the monitoring system of the modularized reactive power compensation device can monitor whether the reactive power compensation device is still effective or not in real time, and if not, a warning is sent to require a worker to replace the reactive power compensation device, so that the power supply system is prevented from oscillating, and the normal operation of the power supply system is protected; the problem that in a 400V power supply system in the prior art, the existing power factor controller cannot judge whether a reactive power compensation device is still effective or not and also cannot judge when the reactive power compensation device needs to be replaced, so that the loss of a power grid cannot be well controlled is solved.
Drawings
Fig. 1 is a topological diagram of a monitoring system of a modular reactive power compensation device according to a first embodiment;
fig. 2 is a topological diagram of a monitoring system of a modular reactive power compensation device according to a second embodiment;
fig. 3 is a topological diagram of a monitoring system of a modular reactive power compensation device according to a third embodiment;
fig. 4 is a topology diagram of a monitoring system of a modular reactive power compensation device according to a fourth embodiment;
fig. 5 is a schematic diagram of the connection between the modular reactive power compensation device and the measurement and control device;
fig. 6 is a schematic diagram of the connection between the modular reactive power compensation device and the measurement and control device through the wiring device of the invention;
FIG. 7 is a front view of the wiring lug and a sectional view taken along line A-A thereof;
FIG. 8 is an internal construction view of the wiring device;
fig. 9 is an exploded view of the wiring lug.
Detailed Description
Referring to fig. 1, an embodiment of the present invention provides a modular reactive compensation device monitoring system for a 400V power supply system. The monitoring system of the modularized reactive power compensation device comprises a reactive power compensation device 100 and a measurement and control device 200.
The measurement and control device 200 is a power factor controller of the reactive power compensation device 100, and can monitor whether the reactive power compensation device 100 is still effective or not in real time, if not, a warning is sent to require a worker to replace the reactive power compensation device 100, so that the power supply system is prevented from oscillating, and the normal operation of the power supply system is protected.
The reactive power compensation device 100 of the present invention includes a low-voltage filter reactor 101 and a low-voltage power capacitor 102, and the low-voltage filter reactor 101 and the low-voltage power capacitor 102 are connected.
The measurement and control device 200 comprises a data acquisition module 201 and an output module 202 which are electrically connected with the reactive power compensation device 100, a control module 203 which is respectively connected with the data acquisition module 201 and the output module 202, and a monitoring module 204 which is connected with the control module 203; the reactive power compensation device 100 is electrically connected with the output module 202 of the measurement and control device 200 through the low-voltage filter reactor 101.
The data acquisition module 201 can acquire a circuit data signal in the reactive power compensation device 100, which includes, but is not limited to, a current signal and a voltage signal.
The output module 202 has circuit connection and on-off control functions.
The control module 203 performs information interaction with other modules and has functions of control and communication.
The monitoring module 204 is configured to perform logic judgment on information from the control module 203, feed back a result of the logic judgment to the control module 203, and make a control instruction to another model through the control module 203.
Based on the above, the working process of the monitoring system of the invention is as follows:
the data acquisition module 201 acquires circuit data signals (current signals, voltage signals and the like) in the reactive power compensation device 100 in real time and sends the circuit data signals to the control module 203; the control module 203 sends the circuit data signal to the monitoring module 204, converts the circuit data signal into a frequency signal through the monitoring module 204, and compares a frequency value in the frequency signal with the early warning value V;
when the frequency value in the frequency signal belongs to the range of the early warning value V, the monitoring module 204 sends an alarm signal to the control module 203; the control module 203 sends a cutting signal to the output module 202 after receiving the alarm signal, and the output module 202 disconnects the electric connection with the low-voltage filter reactor 101 after receiving the cutting signal;
when the frequency value in the frequency signal does not belong to the range of the preset frequency value, the monitoring module 204 does not send any signal to the control module 203.
Further, the output module 202 of the present invention includes a relay 202a, and the reactive power compensation device 100 is electrically connected to the relay 202a through the low voltage filter reactor 101. In the working process, when the frequency value in the frequency signal belongs to the range of the early warning value V, the monitoring module 204 sends an alarm signal to the control module 203, the control module 203 sends a cut-off signal to the relay 202a after receiving the alarm signal, and the relay 202a disconnects the electrical connection with the low-voltage filter reactor 101 after receiving the cut-off signal.
Further, as shown in fig. 2, the measurement and control device 200 of the present invention further includes a display module 205.
The display module 205 is connected with the control module 203; when the frequency value in the frequency signal belongs to the range of the early warning value V, the monitoring module 204 sends an alarm signal to the control module 203, and the control module 203 sends a display signal to the display module 205 after receiving the alarm signal, and displays a warning through the display module 205.
Preferably, the display module 205 includes a touch screen display 205a for providing touch screen control. The touch display screen 205a is connected to the control module 203.
When the frequency value in the frequency signal belongs to the range interval of the early warning value V, the monitoring module 204 sends an alarm signal to the control module 203, the control module 203 sends a display signal to the touch display screen 205a after receiving the alarm signal, and displays a warning through the touch display screen 205a, and the touch display screen 205a displays the warning and prompts a worker to remove and replace the failed reactive power compensation device 100;
when the frequency value in the frequency signal does not belong to the range of the preset frequency value, the monitoring module 204 does not send any signal to the control module 203, and the touch display screen 205a displays normally all the time.
When the reactive power compensation device 100 is removed and a new reactive power compensation device 100 is replaced, the worker may put the new reactive power compensation device 100 into use again by clicking and touching the reset key on the touch display screen 205a, so that the group of reactive power compensation devices 100 operates normally again. When a worker clicks and touches the touch display screen 205a, the touch display screen 205a can receive a touch signal and send the touch signal to the control module 203, so that the monitoring module 204 or the output module 202 can be operated, and the touch display screen 205a provides better human-computer interaction for a user.
Further, as shown in fig. 3, the measurement and control device 200 of the present invention further includes an alarm module 206.
The warning module 206 comprises a light emitting piece 206a and/or a sound emitting piece 206b connected with the control module 203; the illuminating member 206a may be an existing LED lamp, alarm lamp or other illuminating member capable of generating a bright light and alerting a person; the sounding member 206b may employ a sounding member such as a speaker capable of generating a sound and alerting a person.
When the frequency value in the frequency signal belongs to the range of the early warning value V, the monitoring module 204 sends an alarm signal to the control module 203, and the control module 203 sends a warning signal to the light emitting element 206a and/or the sound emitting element 206b after receiving the alarm signal, and performs a light emitting warning and/or a sound emitting warning through the light emitting element 206a and/or the sound emitting element 206 b.
Further, the range of the warning value V is 95% by 50N to 105% by 50N of the preset frequency value (N ∈ 1, 2, and 3 …). Namely: when the frequency value in the frequency signal belongs to the range of 95% × 50N to 105% × 50N (N is 1, 2, 3 …) of the preset frequency value, the monitoring module 204 sends an alarm signal to the control module 203; the control module 203 sends a corresponding instruction signal to the corresponding module after receiving the alarm signal, and the corresponding module can perform a corresponding action (for example, cutting off, displaying, emitting light, emitting sound, etc.) when receiving the instruction signal.
Further, as shown in fig. 4, the measurement and control device 200 further includes a wireless transceiver module 207.
The wireless transceiver module 207 may adopt an existing wireless communication module (such as 485 communication), and is connected with the control module 203; the wireless transceiver module 207 can also be in wireless connection with the intelligent terminal 400 through the server 300; the control module 203 can send the acquired data information (the circuit data signal acquired by the data acquisition module 201, the result of logic judgment by the monitoring module 204, and the information … … of the working state of each module in the field) to the server 300 in real time through the wireless transceiver module 207 for storage, and can access or download through the intelligent terminal 400.
The intelligent terminal 400 can also send an instruction signal to the server 300, and the server 300 sends the instruction signal to the control module 203, and the control module 203 can control the operation of each module in the measurement and control device 200 except the control module 203 according to the instruction signal, so that remote control can be realized. The intelligent terminal 400 may be a remote computer, a smart phone, a tablet computer, or other intelligent communication devices.
Further, as shown in fig. 5, the reactive power compensation device 100 and the measurement and control device 200 are integrated into a whole respectively, and form two independent modular devices respectively. Therefore, the line connected between the reactive power compensation device 100 and the measurement and control device 200 (including the first line L1 connected between the data acquisition module 201 and the reactive power compensation device 100 and the second line L2 connected between the output module 202 and the reactive power compensation device 100) is a detachable two-stage type, which includes the first electric wire X-1 located on the reactive power compensation device 100 and the second electric wire X-2 located on the measurement and control device 200 (for example, the line connected between the data acquisition module 201 and the reactive power compensation device 100 is formed into a detachable two-stage type, in which one end is extended outward by the data acquisition module 201 and the other end is extended outward by the reactive power compensation device 100).
As shown in fig. 6, the ends of the first electric wire X-1 form a pair of first core terminals X-11; the ends of the second electric wires X-2 form a pair of second core terminals X-21; the second wire X-2 is connected with the second wire core end head X-21 through the wiring device 500, and therefore the rapid installation and connection of the line between the reactive power compensation device 100 and the measurement and control device 200 are achieved. The wiring device 500 is capable of electrically connecting the first and second core terminals X-11 and X-21 and making the first and second lines L1 and L2 form a path.
Specifically, as shown in fig. 7 to 9, the wire connecting device 500 includes a first tail pipe 501, a second tail pipe 502, a connecting sleeve 503 connected between the first tail pipe 501 and the second tail pipe 502, and a power connection assembly 504 disposed on the butt end of the first tail pipe 501.
The electrical connection assembly 504 includes an insulated distribution board 504a in the middle, and a first electrical conductor 504b and a second electrical conductor 504c symmetrically secured to either side of the insulated distribution board 504 a. The insulation distributing plate 504a is a ring-shaped structure, the outer edge of which forms a ring-shaped tip and is made of insulation material; the axis of the insulated distribution board 504a is perpendicular to the axis of the first tail pipe 501; the first conductor 504b and the second conductor 504c have conical bodies, and the outer sides thereof are smoothly connected to the outer side of the insulation distribution board 504 a. The first conductor 504b and the second conductor 504c are made of conductive metal, and their outer edges are fixed to the inner side walls of the butt ends of the first tail pipes 501, preferably by integral injection molding.
A first wire X-1 can be inserted from the tail end of the first tail pipe 501, and a pair of first core terminals X-11 at the tail end of the first wire X-1 are branched by the insulation distribution board 504a to form two paths, and the two paths of first core terminals X-11 are respectively in one-to-one corresponding contact with the first conductor 504b and the second conductor 504c under the guidance of two side surfaces of the insulation distribution board 504 a;
the second wire X-2 can be inserted from the tail end of the second tail tube 502, and a pair of second core terminals X-21 at the tail end of the second wire X-2 are branched by the insulation distribution board 504a to form two paths, and the two paths of second core terminals X-21 are respectively in one-to-one corresponding contact with the first conductor 504b and the second conductor 504c under the guidance of two side surfaces of the insulation distribution board 504 a.
Therefore, the electrical connection assembly 504 can make the first wire X-1 and the second wire X-2 respectively contacted with both sides thereof form an electrical connection.
Further, an external thread 501a is arranged on the outer side wall of the butt joint end of the first tail pipe 501; a ring of first limiting rings 502a is arranged on the periphery of the butt joint end of the second tail pipe 502.
One end of the connecting sleeve 503 is provided with a second limit ring 503a matched with the first limit ring 502a, and the inner side wall of the other end is provided with an internal thread 503b matched with the external thread 501 a; the connecting sleeve 503 is hooked on the outer side surface of the first stop collar 502a through the second stop collar 503a, and is rotatably connected to the external thread 501a section of the first tail pipe 501 through the internal thread 503b, so as to achieve the effect of tensioning the two ends.
Further, a corresponding sealing block 505 is arranged in each of the internal channels at the tail ends of the first tail pipe 501 and the second tail pipe 502; the sealing block 505 is made of an elastic deformation material; the seal block 505 is fitted to the inner side walls of the first tail pipe 501 and the second tail pipe 502, and the seal block 505 is provided with a through hole 505a fitted to the outer diameter of the first bobbin tip X-11.
Variable grooves C are distributed at the tail ends of the first tail pipe 501 and the second tail pipe 502 along the circumferential direction; and the tail ends of the first tail pipe 501 and the second tail pipe 502 are both connected with a tightening sleeve 506 covering the periphery of the deformation groove C. The tightening sleeve 506 can be in threaded fit connection with the outer side wall of the tail pipe, so that the tail end of the tail pipe can be conveniently compressed, the caliber of the tail pipe is reduced, the sealing block 505 is inwards extruded, the waterproof effect of the electric wire penetrating through the sealing block 505 can be ensured, the electric wire can be tightly fixed on the respective tail pipe, and the tightening extrusion and anti-falling effects of the connecting sleeve 503 on the electric wires at two ends are facilitated.
Therefore, the wiring device 500 of the present invention can realize the fast connection of two electric wires, and can ensure the firmness and stability after the connection between the two electric wires, so that the fast connection between the reactive power compensation device 100 and the measurement and control device 200 can be correspondingly ensured, and further optimization of the respective modular designs of the reactive power compensation device 100 and the measurement and control device 200 is realized.
Claims (10)
1. The utility model provides a modularization reactive power compensator monitoring system which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the reactive power compensation device (100) comprises a low-voltage filter reactor (101) and a low-voltage power capacitor (102) connected with the low-voltage filter reactor (101);
the measurement and control device (200) comprises a data acquisition module (201) electrically connected with the reactive power compensation device (100) through a first line (L1), an output module (202) electrically connected with the reactive power compensation device (100) through a second line (L2), a control module (203) respectively connected with the data acquisition module (201) and the output module (202), and a monitoring module (204) connected to the control module (203); the reactive power compensation device (100) is electrically connected with an output module (202) of the measurement and control device (200) through the low-voltage filter reactor (101); the first line (L1) and the second line (L2) are both detachable two-section type, and the two-section type comprises a first electric wire (X-1) positioned on the reactive power compensation device (100) and a second electric wire (X-2) positioned on the measurement and control device (200); the tail end of the first electric wire (X-1) forms a pair of first wire core terminals (X-11); the tail end of the second electric wire (X-2) forms a pair of second wire core terminals (X-21); and the wiring device (500) is detachably connected between the first wire core end (X-11) and the second wire core end (X-21), so that the first wire core end (X-11) and the second wire core end (X-21) can be electrically connected, and the first line (L1) and the second line (L2) form a passage.
2. The modular reactive compensation device monitoring system according to claim 1, wherein: the output module (202) comprises a relay (202 a); the reactive power compensation device (100) is electrically connected with the relay (202 a) through the low-voltage filter reactor (101);
the data acquisition module (201) acquires circuit data signals in the reactive power compensation device (100) in real time, and to transmit the circuit data signal to the control module (203), the control module (203) to transmit the circuit data signal to the monitoring module (204), the monitoring module (204) converts the circuit data signal into a frequency signal and compares a frequency value in the frequency signal with an early warning value V, when the frequency value in the frequency signal belongs to the range interval of the early warning value V, the monitoring module (204) sends an alarm signal to the control module (203), the control module (203) sends a cut-off signal to the relay (202 a) after receiving an alarm signal, the relay (202 a) is electrically disconnected from the low-voltage filter reactor (101) after receiving the cut-off signal.
3. A modular reactive compensation device monitoring system according to claim 1 or 2, characterized in that: the measurement and control device (200) further comprises a display module (205);
the display module (205) is connected with the control module (203); when the frequency value in the frequency signal belongs to the range interval of the early warning value V, the monitoring module (204) sends an alarm signal to the control module (203), and the control module (203) sends a display signal to the display module (205) after receiving the alarm signal and displays a warning through the display module (205).
4. The modular reactive compensation device monitoring system according to claim 3, wherein: the display module (205) comprises a touch display screen (205 a);
the touch display screen (205 a) is connected with the control module (203); when the frequency value in the frequency signal belongs to the range interval of the early warning value V, the monitoring module (204) sends an alarm signal to the control module (203), and the control module (203) sends a display signal to the touch display screen (205 a) after receiving the alarm signal and displays a warning through the touch display screen (205 a);
the touch display screen (205 a) is also capable of receiving a touch signal and sending the touch signal to the control module (203).
5. The modular reactive compensation device monitoring system according to any one of claims 1, 2 and 4, wherein: the measurement and control device (200) further comprises an alarm module (206);
the warning module (206) comprises a light emitting piece (206 a) and/or a sound emitting piece (206 b) which are connected with the control module (203); when the frequency value in the frequency signal belongs to the range interval of the early warning value V, the monitoring module (204) sends an alarm signal to the control module (203), the control module (203) sends a cutting signal to the light-emitting piece (206 a) and/or the sound-emitting piece (206 b) after receiving the alarm signal, and the light-emitting piece (206 a) and/or the sound-emitting piece (206 b) is used for emitting light and/or emitting sound.
6. The modular reactive compensation device monitoring system according to claim 5, wherein: the range of the early warning value V is 95% 50N-105% 50N (N belongs to 1, 2 and 3 …) of the preset frequency value.
7. The modular reactive compensation device monitoring system according to any one of claims 1, 2, 4 and 6, wherein: the measurement and control device (200) further comprises a wireless transceiving module (207);
the wireless transceiver module (207) is in wireless connection with the intelligent terminal (400) through the server (300); the control module (203) can send the acquired data information to the server (300) for storage through the wireless transceiving module (207) in real time, and can access or download through the intelligent terminal (400); the intelligent terminal (400) can also send an instruction signal to the server (300), the server (300) sends the instruction signal to the control module (203), and the control module (203) can control the work of other modules except the control module (203) in the measurement and control device (200) according to the instruction signal.
8. The modular reactive compensation device monitoring system according to claim 7, wherein: the wiring device (500) comprises a first tail pipe (501), a second tail pipe (502), a connecting sleeve (503) connected between the first tail pipe (501) and the second tail pipe (502), and an electric connection assembly (504) arranged on the butt joint end of the first tail pipe (501);
the power connection assembly (504) comprises an insulation distribution board (504 a) positioned in the middle, and a first conductor (504 b) and a second conductor (504 c) which are symmetrically fixed on two sides of the insulation distribution board (504 a);
the first wire (X-1) can penetrate through the tail end of the first tail pipe (501), a pair of first wire core ends (X-11) at the tail end of the first wire (X-1) are branched by an insulation distribution board (504 a) to form two paths, and the two paths of first wire core ends (X-11) are respectively in one-to-one corresponding contact with the first conductor (504 b) and the second conductor (504 c) under the guidance of two side surfaces of the insulation distribution board (504 a);
the second wire (X-2) can penetrate through the tail end of the second tail pipe (502), a pair of second wire core ends (X-21) at the tail end of the second wire (X-2) are branched by the insulation distribution board (504 a) to form two paths, and the two paths of second wire core ends (X-21) are respectively in one-to-one corresponding contact with the first conductor (504 b) and the second conductor (504 c) under the guidance of two side surfaces of the insulation distribution board (504 a).
9. The modular reactive compensation device monitoring system according to claim 8, wherein: an external thread (501 a) is arranged on the outer side wall of the butt joint end of the first tail pipe (501); a ring of first limiting ring (502 a) is arranged on the periphery of the butt joint end of the second tail pipe (502);
one end of the connecting sleeve (503) is provided with a second limiting ring (503 a) matched with the first limiting ring (502 a), and the inner side wall of the other end is provided with an internal thread (503 b) matched with the external thread (501 a); the connecting sleeve (503) is hooked on the outer side surface of the first limiting ring (502 a) through the second limiting ring (503 a) and is rotatably connected to the external thread (501 a) section of the first tail pipe (501) through the internal thread (503 b).
10. The modular reactive compensation device monitoring system according to claim 9, wherein: a corresponding sealing block (505) is arranged in the internal channel of the tail end of each of the first tail pipe (501) and the second tail pipe (502); the sealing block (505) is matched with the inner side walls of the first tail pipe (501) and the second tail pipe (502), and a through hole (505 a) matched with the outer diameter of the first wire core end (X-11) is formed in the sealing block (505);
deformation grooves (C) are distributed at the tail ends of the first tail pipe (501) and the second tail pipe (502) along the circumferential direction; and the tail ends of the first tail pipe (501) and the second tail pipe (502) are both connected with a tightening sleeve (506) covering the periphery of the deformation groove (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507461.XA CN112578212A (en) | 2020-12-18 | 2020-12-18 | Monitoring system of modular reactive power compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507461.XA CN112578212A (en) | 2020-12-18 | 2020-12-18 | Monitoring system of modular reactive power compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112578212A true CN112578212A (en) | 2021-03-30 |
Family
ID=75136133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011507461.XA Pending CN112578212A (en) | 2020-12-18 | 2020-12-18 | Monitoring system of modular reactive power compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112578212A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4101175A1 (en) * | 1990-01-29 | 1991-08-01 | Coninvers Elektrotechnische Bauelemente Gmbh | Connecting plug for screened cable - has contact ring which presses against cable screening to improve ground connection |
| CN1592991A (en) * | 2002-03-08 | 2005-03-09 | 安东-胡梅尔管理有限公司 | Plug connector with shell and clamping inserting part |
| CN102904107A (en) * | 2011-07-26 | 2013-01-30 | 泰科电子（Amp)意大利公司 | Electric connector with cable clamping portion |
| CN103177832A (en) * | 2011-12-22 | 2013-06-26 | 泰科电子荷兰公司 | Resilient bushing and connector comprising same |
| US20140030905A1 (en) * | 2012-07-27 | 2014-01-30 | Amphenol Corporation | High speed electrical contact assembly |
| CN204559130U (en) * | 2015-05-13 | 2015-08-12 | 湖南京湘能源技术有限公司 | A kind of splicing type dynamic reactive compensation device |
| CN204794108U (en) * | 2015-07-17 | 2015-11-18 | 美登思电气（上海）有限公司 | Reactive compensation monitoring system |
| CN207116836U (en) * | 2017-07-11 | 2018-03-16 | 泰科电子(上海)有限公司 | Connector |
| CN110021838A (en) * | 2017-12-21 | 2019-07-16 | 莫列斯有限公司 | Connector |
| CN112736930A (en) * | 2020-12-18 | 2021-04-30 | 贵州电网有限责任公司 | Power grid monitoring system applied to reactive power compensation device |
-
2020
- 2020-12-18 CN CN202011507461.XA patent/CN112578212A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4101175A1 (en) * | 1990-01-29 | 1991-08-01 | Coninvers Elektrotechnische Bauelemente Gmbh | Connecting plug for screened cable - has contact ring which presses against cable screening to improve ground connection |
| CN1592991A (en) * | 2002-03-08 | 2005-03-09 | 安东-胡梅尔管理有限公司 | Plug connector with shell and clamping inserting part |
| CN102904107A (en) * | 2011-07-26 | 2013-01-30 | 泰科电子（Amp)意大利公司 | Electric connector with cable clamping portion |
| CN103177832A (en) * | 2011-12-22 | 2013-06-26 | 泰科电子荷兰公司 | Resilient bushing and connector comprising same |
| US20140030905A1 (en) * | 2012-07-27 | 2014-01-30 | Amphenol Corporation | High speed electrical contact assembly |
| CN204559130U (en) * | 2015-05-13 | 2015-08-12 | 湖南京湘能源技术有限公司 | A kind of splicing type dynamic reactive compensation device |
| CN204794108U (en) * | 2015-07-17 | 2015-11-18 | 美登思电气（上海）有限公司 | Reactive compensation monitoring system |
| CN207116836U (en) * | 2017-07-11 | 2018-03-16 | 泰科电子(上海)有限公司 | Connector |
| CN110021838A (en) * | 2017-12-21 | 2019-07-16 | 莫列斯有限公司 | Connector |
| CN112736930A (en) * | 2020-12-18 | 2021-04-30 | 贵州电网有限责任公司 | Power grid monitoring system applied to reactive power compensation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202309712U (en) | Optical power monitoring terminal with GPRS (General Packet Radio Service) remote data transmission function | |
| CN112578212A (en) | Monitoring system of modular reactive power compensation device | |
| KR101264062B1 (en) | Auto control multi-socket device for sharing internet protocol usage, desk with multi-socket device for sharing internet protocol usage, and personalized smart grid system using multi-socket device for sharing internet protocol usage | |
| CN213718260U (en) | Programming control circuit and programming controller for LED power supply | |
| CN114464355A (en) | Network neuron intelligent power cable | |
| JP5086794B2 (en) | DC power supply device and lighting apparatus | |
| CN209512930U (en) | A kind of automatic checkout system | |
| CN112290684B (en) | Reactive power compensation device monitoring system | |
| CN210639446U (en) | Multimedia monitoring device and system based on Lora and/or NB-IOT | |
| CN206321698U (en) | A kind of power supply row cabinet of auto-alarming | |
| CN208707997U (en) | Intelligent lamp and remote monitoring system | |
| CN112736930A (en) | Power grid monitoring system applied to reactive power compensation device | |
| CN210041859U (en) | Sub 1G-based wireless data transmission system | |
| CN214471053U (en) | Large screen temperature and humidity recorder | |
| CN217083988U (en) | Wireless temperature measurement system of distribution room equipment based on wireless sensor | |
| CN204669553U (en) | A kind of supervising device for digital TV transmitter | |
| CN210958170U (en) | Novel 86 box line arrangement | |
| CN204808573U (en) | Wireless network deployment monitoring system who reveals towards SF6 | |
| JP3237718U (en) | Multi-channel redundant frequency count board structure | |
| CN109471380B (en) | Real-time monitoring system for power distribution room of power protection user | |
| CN220190460U (en) | Interface protection circuit, interface protection device and electronic equipment | |
| CN220584374U (en) | Train first cabinet monitored control system | |
| CN220292071U (en) | Remote control audio signal switcher | |
| CN218276744U (en) | Wireless fire control gateway control circuit and wireless fire control gateway | |
| CN211182870U (en) | Precise power distribution cabinet |
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 |