CN204578107U - A kind of multi-functional combining inverter - Google Patents
A kind of multi-functional combining inverter Download PDFInfo
- Publication number
- CN204578107U CN204578107U CN201420861660.4U CN201420861660U CN204578107U CN 204578107 U CN204578107 U CN 204578107U CN 201420861660 U CN201420861660 U CN 201420861660U CN 204578107 U CN204578107 U CN 204578107U
- Authority
- CN
- China
- Prior art keywords
- combining inverter
- auto recloser
- current transformer
- functional
- electric energy
- 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
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model proposes a kind of multi-functional combining inverter, comprise the combining inverter be connected with public electric wire net by wire, auto recloser is in series with between the output of described combining inverter and public electric wire net, reclosing operation can be automatically performed, or receive remote control commands by wired or wireless mode, and perform separating brake or closing operation.For ease of metering output current with export electric energy, according to the size of output current, the electric energy meter or by current transformer electric energy meter in parallel of connecting between the output and the input of auto recloser of combining inverter.The utility model has under-voltage or o-volt protection function, can coordinate with auto recloser, realizes automatic reclosing operation, receives remote control commands, and perform separating brake or closing operation by wired or wireless two kinds of modes; Also measurable combining inverter output current and export electric energy, save installing space, reduce system cost, enhance practicality and economy simultaneously.
Description
Technical field
The utility model relates to a kind of multi-functional combining inverter, is applied to the fields that generate electricity by way of merging two or more grid systems such as new forms of energy, photovoltaic, wind-powered electricity generation.
Background technology
At present, its output of known combining inverter is generally connected with electrical network by isolating switch, does not possess under-voltage or o-volt protection function, and this brings very large hidden danger to power grid security.Known combining inverter is not all equipped with electric energy meter, this brings difficulty to the metering of electric flux, need separately to join metering cabinet to measure electric flux, this causes extra financial burden to user, and metering cabinet occupies installing space, when installation of project limited space, bring very big inconvenience to Project design and construction.
Summary of the invention
Can not under-voltage or o-volt protection in order to overcome existing combining inverter; do not possess the deficiencies such as function of measuring; the utility model provides a kind of multi-functional combining inverter; this inverter not only possesses o-volt protection function; and can at the rear automatic reclosing of circuit telegram in reply; or receive teleinstruction execution separating brake, closing operation, the output electric energy of inverter can also be measured, save space and project cost.
The utility model solves the technical scheme that its technical problem adopts:
A kind of multi-functional combining inverter, comprise the combining inverter be connected with public electric wire net by wire, auto recloser is in series with between the output of described combining inverter and public electric wire net, reclosing operation can be automatically performed, or receive remote control commands by wired or wireless mode, and perform separating brake or closing operation.
Described combining inverter and auto recloser are arranged in rack.
Electric energy meter is in series with between the output of described combining inverter and the input of auto recloser.
Wire between the output of described combining inverter and the input of auto recloser is respectively arranged with the first current transformer, the second current transformer and the 3rd current transformer, between the output of described first current transformer, the second current transformer and the 3rd current transformer and the input of auto recloser, is in series with electric energy meter.
Described combining inverter, auto recloser and electric energy meter are arranged in rack.
Described auto recloser comprises the circuit breaker of a band undervoltage tripping function, a motor-operating mechanism being in separating brake or "on" position in order to control circuit breaker, one can receive remote control commands and control the control module of motor-operating mechanism, the terminals of described control module are connected to the end of incoming cables of wire in order to detect the voltage signal of end of incoming cables, and control module receives Terminal Server Client instruction by wired or wireless mode.
Described control module is provided with the contactor or relay contact that control motor-operating mechanism combined floodgate and the contactor or the relay contact that control motor-operating mechanism separating brake, control module has the control coil of contactor or relay contact and the control coil of contactor or relay contact.
The model of described control module is PIC24FJ128GA106, and it is built-in with wherein one or more the combination in GPRS module, WIFI module, bluetooth module or ZIGBEE module, built-in RS232 or RS485 interface.
Whether the end of incoming cables of described three wires is parallel with instruction circuit has the power supply of electricity to have electric indicator light, and whether the leading-out terminal of three-phase conducting wire is parallel with instruction circuit has electricity and the whether successful load of combined floodgate to have electric indicator light.
Described control module is connected with and indicates circuit whether to have the power supply of electricity to have electric indicator light and instruction circuit whether to have electricity and the whether successful load of combined floodgate to have electric indicator light.
Compared with prior art, the beneficial effect produced is multi-functional combining inverter of the present utility model:
The utility model has under-voltage or o-volt protection function, can coordinate with auto recloser, realizes automatic reclosing operation, accepts remote control commands, and perform separating brake or closing operation by wired or wireless two modes; Also measurable combining inverter output current and export electric energy, save installing space, reduce system cost, enhance practicality and economy simultaneously.
Accompanying drawing explanation
Accompanying drawing 1 is the principle schematic of first embodiment of the present utility model;
Accompanying drawing 2 is the principle schematic of second embodiment of the present utility model;
Accompanying drawing 3 is the principle schematic of the 3rd embodiment of the present utility model;
Accompanying drawing 4 is the principle schematic of auto recloser in Fig. 1-3;
Accompanying drawing 5-8 is the four kind structural representations of auto recloser in three phase network.
In figure, 1, combining inverter, 2, auto recloser, 3, electric energy meter, the 4, first current transformer, the 5, second current transformer, the 6, the 3rd current transformer, 7, rack, a, circuit breaker, b, electricity
Pneumatic operating mechanism, c, power supply have electric indicator light, d, load have electric indicator light, e, contactor or relay contact, control electric operating mechanism of circuit-breaker b and close a floodgate, f, contactor or relay contact, control electric operating mechanism of circuit-breaker b separating brake, g, control module, the control coil of h, contactor or relay contact e, the control coil of i, contactor or relay contact f.
Embodiment
Below in conjunction with accompanying drawing 1-8, the specific embodiment of a kind of multi-functional combining inverter of the utility model is described in detail below.
Embodiment one:
As shown in Figure 1, the output of combining inverter 1 is connected to the input of auto recloser 2, and the output of auto recloser 2 is connected with public electric wire net.Auto recloser 2 can automatically perform reclosing operation, also receives teleinstruction by wired or wireless mode and performs combined floodgate or sub-switching operation.
Embodiment two:
As shown in Figure 2, the output current of combining inverter 1 of the present utility model is less, output current directly measures by electric energy meter 3, each part of the present utility model is all encapsulated in multi-functional combining inverter rack 7, the interchange of combining inverter 1 exports the input being connected to auto recloser 2 after electric energy meter 3, the output of auto recloser 2 is connected with public electric wire net, mains voltage signal access electric energy meter 3.Mains voltage signal obtain the input that can be connected on auto recloser 2, also can be connected on the output of auto recloser 2.Auto recloser 2 can automatically perform reclosing operation, also receives teleinstruction by wired or wireless mode and performs combined floodgate or sub-switching operation.
Embodiment three:
As shown in Figure 3, the output current of combining inverter 1 of the present utility model is comparatively large, and output current does not need to install current transformer additional by the direct metering of electric energy meter 3 and measures.Each part of the present utility model is all encapsulated in multi-functional combining inverter rack 7, the interchange of combining inverter 1 exports through the input being connected to auto recloser 2 after the first current transformer 4, second current transformer 5 and the 3rd current transformer 6, the output of auto recloser 2 is connected with public electric wire net, the output access electric energy meter 3 of the first current transformer 4, second current transformer 5 and the 3rd current transformer 6, mains voltage signal access electric energy meter 3.Mains voltage signal obtain the input that can be connected on auto recloser 2, also can be connected on the output of auto recloser 2.Auto recloser 2 can automatically perform reclosing operation, also receives teleinstruction by wired or wireless mode and performs combined floodgate or sub-switching operation.
As shown in Figure 4, in above-described embodiment one to three, the structure of auto recloser is as follows:
Power supply has electric indicator light c to indicate the presence or absence of AC three-phase, load have electric indicator light d to indicate load end whether electric, when end of incoming cables dead electricity or under-voltage, circuit breaker a threads off protection, and power supply has electric indicator light c to go out, and load has electric indicator light d to go out, when circuit is sent a telegram in reply again, power supply has electric indicator light c bright, load has electric indicator light d to go out, control module g has detected electricity, the control coil i of automatic control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker a is resetted, then, the control coil h of the automatic control contactor of control module or relay e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker a is closed a floodgate, load has electric indicator light d bright, complete reclosing operation of automatically sending a telegram in reply, or after control module g receives Terminal Server Client reclosing command, the control coil i of control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker a is resetted, then, the control coil h of control module g control contactor or relay e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker a is closed a floodgate, load has electric indicator light d bright, complete telegram in reply reclosing operation.Contactor or relay contact f and contactor or relay contact e are wink ejector half, and its state does not keep.
After control module g receives the instruction of Terminal Server Client separating brake by wired or wireless mode, the control coil i of control module g control contactor or relay contact f obtains electric, contactor or relay contact f close, and motor-operating mechanism b performs sub-switching operation, and load has electric indicator light d to go out; After control module g receives Terminal Server Client reclosing command by wired or wireless mode, the control coil h of control contactor or relay contact e obtains electric, contactor or relay contact e close, and motor-operating mechanism b performs closing operation, and load has electric indicator light d bright.Contactor or relay contact f and contactor or relay contact e are wink ejector half, and its state does not keep.
As depicted in figures 5-8, the terminals of control module g are connected to the end of incoming cables of alternating current circuit, the model of control module g is PIC24FJ128GA106, its built-in any one or a few combination be respectively arranged with in GPRS module, WIFI module, bluetooth module and ZIGBEE module, realize wireless transmission, the wire transmission of built-in RS232 or RS485 Interface realization.
The multi-functional combining inverter of one of the present utility model its install, simple to operation, shown in by specification accompanying drawing.
Claims (10)
1. a multi-functional combining inverter, comprise the combining inverter (1) be connected with public electric wire net by wire, it is characterized in that: between the output (INV1, INV2, INV3) of described combining inverter (1) and public electric wire net, be in series with auto recloser (2), auto recloser (2) can automatically perform reclosing operation or receive remote control commands by wired or wireless mode, and performs separating brake or closing operation.
2. the multi-functional combining inverter of one according to claim 1, is characterized in that: described combining inverter (1) and auto recloser (2) are arranged in rack (7).
3. the multi-functional combining inverter of one according to claim 1, is characterized in that: be in series with electric energy meter (3) between the output (INV1, INV2, INV3) of described combining inverter (1) and the input (IN1, IN2, IN3) of auto recloser (2).
4. the multi-functional combining inverter of one according to claim 1, it is characterized in that: the output (INV1 of described combining inverter (1), INV2, and the input (IN1 of auto recloser (2) INV3), IN2, IN3) wire between is respectively arranged with the first current transformer (4), second current transformer (5) and the 3rd current transformer (6), described first current transformer (4), the output of the second current transformer (5) and the 3rd current transformer (6) and the input (IN1 of auto recloser (2), IN2, IN3) electric energy meter (3) is in series with between.
5. the multi-functional combining inverter of the one according to claim 3 or 4, is characterized in that: described combining inverter (1), auto recloser (2) and electric energy meter (3) are arranged in rack (7).
6. according to claim 1, the multi-functional combining inverter of one described in 3 or 4, it is characterized in that: described auto recloser comprises the circuit breaker (a) of a band undervoltage tripping function, a motor-operating mechanism (b) being in separating brake or "on" position in order to control circuit breaker (a), one can receive remote control commands and control the control module (g) of motor-operating mechanism (b), the terminals of described control module (g) are connected to the end of incoming cables of wire in order to detect the voltage signal of end of incoming cables, control module (g) receives Terminal Server Client instruction by wired or wireless mode.
7. the multi-functional combining inverter of one according to claim 6, it is characterized in that: described control module (g) is provided with the contactor or the relay contact (f) that control motor-operating mechanism (b) contactor that closes a floodgate or relay contact (e) and control motor-operating mechanism (b) separating brake, in control module (g)
There is the control coil of the control coil (h) of contactor or relay contact (e) and contactor or relay contact (f) (i).
8. the multi-functional combining inverter of one according to claim 6, it is characterized in that: the model of described control module (g) is PIC24FJ128GA106, it is built-in with wherein one or more the combination in GPRS module, WIFI module, bluetooth module or ZIGBEE module, built-in RS232 or RS485 interface.
9. the multi-functional combining inverter of one according to claim 1,3 or 4, it is characterized in that: whether the end of incoming cables of described wire is parallel with instruction circuit has the power supply of electricity to have electric indicator light (c), whether the leading-out terminal of wire is parallel with instruction circuit has electricity and the whether successful load of combined floodgate to have electric indicator light (d).
10. whether whether the multi-functional combining inverter of one according to claim 1,3 or 4, is characterized in that: described control module (g) is connected with and indicates circuit to have the power supply of electricity to have electric indicator light (c) and instruction circuit to have electricity and the whether successful load of combined floodgate to have electric indicator light (d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420861660.4U CN204578107U (en) | 2015-03-26 | 2015-03-26 | A kind of multi-functional combining inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420861660.4U CN204578107U (en) | 2015-03-26 | 2015-03-26 | A kind of multi-functional combining inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204578107U true CN204578107U (en) | 2015-08-19 |
Family
ID=53870702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420861660.4U Active CN204578107U (en) | 2015-03-26 | 2015-03-26 | A kind of multi-functional combining inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204578107U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879761A (en) * | 2018-06-23 | 2018-11-23 | 安徽富煌电控设备有限公司 | A kind of grid-connected cabinet of sensitivity self-resetting type |
| CN114460866A (en) * | 2021-12-27 | 2022-05-10 | 西门子工厂自动化工程有限公司 | Signal control method and device for main loop and computer readable medium |
-
2015
- 2015-03-26 CN CN201420861660.4U patent/CN204578107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879761A (en) * | 2018-06-23 | 2018-11-23 | 安徽富煌电控设备有限公司 | A kind of grid-connected cabinet of sensitivity self-resetting type |
| CN114460866A (en) * | 2021-12-27 | 2022-05-10 | 西门子工厂自动化工程有限公司 | Signal control method and device for main loop and computer readable medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205246826U (en) | Circuit breaker short circuit ability test circuit | |
| CN104638603A (en) | Automatic reclosing method and device for power recovery | |
| CN204578107U (en) | A kind of multi-functional combining inverter | |
| CN204497717U (en) | A kind of telegram in reply auto recloser | |
| CN202260153U (en) | Low voltage distribution two-input one-connect electrical interlock system | |
| CN201478728U (en) | Intelligent type electric control cabinet | |
| CN203660549U (en) | Distributed photovoltaic intelligent grid connection box | |
| CN105048304A (en) | Electrical interlocking device of multi-inlet-wire multi-bus-couple low-voltage distribution system | |
| CN206193035U (en) | Terminal box is united to integral type of measurement smart meter and acquisition terminal sharing | |
| CN204992770U (en) | 10kV feeder monitor terminal suitable for permanent magnetism switch | |
| CN209913497U (en) | Three-phase power supply circuit and device | |
| CN204214921U (en) | Anti-electricity-theft Domestic electric meter | |
| CN208707129U (en) | Intelligent distribution box | |
| CN204481490U (en) | A kind of combining inverter with electric energy metrical function | |
| CN204947339U (en) | The electric interlocking installation of many inlet wire many mothers low-voltage distribution systems | |
| CN203301126U (en) | Leakage protector for preventing low voltage inverse power transmission | |
| CN204696794U (en) | A kind of twin-power switch cabinet | |
| CN211183420U (en) | Frequency converter detection power supply circuit | |
| CN203466562U (en) | Intelligent circuit breaker | |
| CN204129085U (en) | Loaded termination control system | |
| CN203225527U (en) | Spilt phase sequent switching control device of capacitor | |
| CN202102044U (en) | High-voltage electrified display with electricity testing phasing function | |
| CN203734145U (en) | Floor-type high-voltage prepayment metering cabinet | |
| CN202818212U (en) | Automatic control system for generator | |
| CN202949215U (en) | Open-phase protection apparatus for three-phase asynchronous motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |