CN203455416U - Ring main unit phase checking loop closing device - Google Patents
Ring main unit phase checking loop closing device Download PDFInfo
- Publication number
- CN203455416U CN203455416U CN201320572060.1U CN201320572060U CN203455416U CN 203455416 U CN203455416 U CN 203455416U CN 201320572060 U CN201320572060 U CN 201320572060U CN 203455416 U CN203455416 U CN 203455416U
- Authority
- CN
- China
- Prior art keywords
- net
- main unit
- ring main
- closing device
- phase checking
- 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.)
- Expired - Fee Related
Links
- 238000007363 ring formation reaction Methods 0.000 claims description 6
- 238000000819 phase cycle Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
Images
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The utility model relates to a ring main unit loop closing device, and especially relates to a ring main unit phase checking loop closing device. The ring main unit phase checking loop closing device is characterized in that an A grid transformer is individually connected with an A grid phase checking instrument and an A grid switching-on mechanism, a B grid transformer is individually connected with a B grid phase checking instrument and a B grid switching-on mechanism, and a C grid transformer is individually connected with a C grid phase checking instrument and a C grid switching-on mechanism. By utilization of the above technical scheme, the ring main unit phase checking loop closing device is safe and reliable, and economical and practical.
Description
Technical field
The utility model relates to a kind of ring main unit cyclization device, particularly a kind of ring main unit nuclear phase cyclization device.
Background technology
At present, in ring network power supply, certain net track remodelling or more exchange device are recurrent things, but after track remodelling or more exchange device, just in case inconsistent before the phase sequence of three-phase electricity and track remodelling or more exchange device, will cause accident of power supply.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of ring main unit nuclear phase cyclization device is provided, and whether the three-phase phase sequence that can check in looped network cyclization is in full accord.
The utility model solves the technical scheme that its technical matters adopts: the utility model is comprised of A net mutual inductor, A net nuclear phase instrument, A net switching-on mechanism, B net nuclear phase instrument, C net nuclear phase instrument, B net switching-on mechanism, C net switching-on mechanism, B net mutual inductor and C net mutual inductor, it is characterized in that: A net mutual inductor is connected with A net nuclear phase instrument, A net switching-on mechanism respectively, B net mutual inductor is connected with B net nuclear phase instrument, B net switching-on mechanism respectively, and C net mutual inductor is connected with C net nuclear phase instrument, C net switching-on mechanism respectively.
Owing to adopting technique scheme, advantage and good effect that the utility model has are: safe and reliable, economical and practical.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Figure of description 1 is structural representation of the present utility model.
1.A net mutual inductor 2.A net nuclear phase instrument 3.A net switching-on mechanism 4.B net nuclear phase instrument 5.C net nuclear phase instrument 6.B net switching-on mechanism 7.C net switching-on mechanism 8.B net mutual inductor in figure
9.C net mutual inductor.
Embodiment
In Figure of description, A net mutual inductor (1) is connected with A net nuclear phase instrument (2), A net switching-on mechanism (3) respectively, B net mutual inductor (8) is connected with B net nuclear phase instrument (4), B net switching-on mechanism (6) respectively, and C net mutual inductor (9) is connected with C net nuclear phase instrument (5), C net switching-on mechanism (7) respectively.
Claims (1)
1. a ring main unit nuclear phase cyclization device, by A net mutual inductor, A net nuclear phase instrument, A net switching-on mechanism, B net nuclear phase instrument, C net nuclear phase instrument, B net switching-on mechanism, C net switching-on mechanism, B net mutual inductor and C net mutual inductor, formed, it is characterized in that: A net mutual inductor (1) is connected with A net nuclear phase instrument (2), A net switching-on mechanism (3) respectively, B net mutual inductor (8) is connected with B net nuclear phase instrument (4), B net switching-on mechanism (6) respectively, and C net mutual inductor (9) is connected with C net nuclear phase instrument (5), C net switching-on mechanism (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572060.1U CN203455416U (en) | 2013-09-16 | 2013-09-16 | Ring main unit phase checking loop closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572060.1U CN203455416U (en) | 2013-09-16 | 2013-09-16 | Ring main unit phase checking loop closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455416U true CN203455416U (en) | 2014-02-26 |
Family
ID=50135282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320572060.1U Expired - Fee Related CN203455416U (en) | 2013-09-16 | 2013-09-16 | Ring main unit phase checking loop closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203455416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979894A (en) * | 2015-07-20 | 2015-10-14 | 国家电网公司 | RMU uninterrupted power supply load transfer method |
-
2013
- 2013-09-16 CN CN201320572060.1U patent/CN203455416U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979894A (en) * | 2015-07-20 | 2015-10-14 | 国家电网公司 | RMU uninterrupted power supply load transfer method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX351604B (en) | A converter arrangement for power compensation and a method for controlling a power converter. | |
| CN203455416U (en) | Ring main unit phase checking loop closing device | |
| CN202189095U (en) | Three phase electricity phase sequence and default phase detection circuit | |
| CN205017114U (en) | Electric CT is got to cable | |
| CN204086474U (en) | A kind of controllable silicon low pressure triggering test device | |
| CN204884834U (en) | Isolation transformer | |
| CN203630289U (en) | Armature withstand voltage and interturn withstand voltage integrated tester | |
| CN202076943U (en) | Grid power source automatic switching system for X-ray machine | |
| CN204290752U (en) | A kind of electric automobile power battery analog power | |
| CN202758817U (en) | Control power alternating current and direct current dual-purpose contactor | |
| CN203675083U (en) | Coupling circuit used for pulse generator and power source of to-be-tested device | |
| CN204144073U (en) | A kind of transformer station multipurpose action bars | |
| CN203747246U (en) | Ring main unit | |
| CN203605501U (en) | Heating circuit for electrical heating rod of solar water heater | |
| CN202189671U (en) | Low-voltage wire arranging device for secondary wires | |
| CN202735405U (en) | Intelligent electric energy meter | |
| CN203056594U (en) | Intelligent low voltage composite switch | |
| CN201707373U (en) | Anti-electricity-theft device | |
| CN204376824U (en) | A kind of photovoltaic combiner box | |
| CN203153373U (en) | Energy storage curtain | |
| CN203968542U (en) | Track traffic energy efficiency monitoring device | |
| CN203287126U (en) | External power supply intelligent conversion device for ultrasonic heat meter M-BUS | |
| CN205123222U (en) | CPU master control administrative unit plug -in components of computer line protection device | |
| CN203216958U (en) | Pressure resistant testing wire | |
| CN204304463U (en) | A kind of wind farm grid-connected safety control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20170916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |