CN105445567B - The nuclear-phase method of totally enclosed type generalized information system - Google Patents

The nuclear-phase method of totally enclosed type generalized information system Download PDF

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Publication number
CN105445567B
CN105445567B CN201511021393.5A CN201511021393A CN105445567B CN 105445567 B CN105445567 B CN 105445567B CN 201511021393 A CN201511021393 A CN 201511021393A CN 105445567 B CN105445567 B CN 105445567B
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China
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inlet wire
information system
generalized information
phase
nuclear
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CN105445567A (en
Inventor
张胜文
翟文云
王严飞
宋旭东
曹晋
张亚宁
丁贺
王立民
台文昊
张春强
焦海禄
徐林
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Shenhua Group Corp Ltd
Shenhua Ningxia Coal Industry Group Co Ltd
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Shenhua Group Corp Ltd
Shenhua Ningxia Coal Industry Group Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/18Indicating phase sequence; Indicating synchronism
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/0352Gas-insulated switchgear for three phase switchgear

Abstract

The invention discloses a kind of nuclear-phase method of totally enclosed type generalized information system, the generalized information system includes two overhead transmission line inlet wires, and respectively the first inlet wire and the second inlet wire, this method include:The drainage thread of two overhead transmission lines is disconnected;Without additional power source, all mothers in the first inlet wire, the second inlet wire and generalized information system and segmentation are all run, close 2 isolation switch of all service entrance switch and feeder link carrier line;At the first inlet wire and the second inlet wire inlet wire PT, dismantle the ground wire of inlet wire PT, at the ground wire dismantled respectively over the ground, it is alternate carry out shaking survey insulation resistance, with determine generalized information system phase sequence.Invention also discloses the overhead transmission line inlet wire to generalized information system, the nuclear-phase methods between busbar.The invention also discloses nuclear-phase method of the inlet wire between the generalized information system of transformer and its internal busbar.Nuclear phase efficiency can be improved using the present invention, reduces nuclear phase cost.

Description

The nuclear-phase method of totally enclosed type generalized information system
Technical field
The present invention relates to substation's technical fields, and in particular to a kind of nuclear-phase method of totally enclosed type generalized information system.
Background technology
GIS (Gas Isolated Switchgare, gas-insulated switchgear station) refers to by breaker, disconnecting switch, ground connection The abbreviation of the combined electrical apparatuses of compositions such as switch, mutual inductor, arrester, busbar, connector and outlet terminal, these equipment or component It is all enclosed in the shell of metallic ground, inside it the SF6 filled with certain pressure (sulfur hexafluoride) insulating gas.
At present to generalized information system nuclear phase use method be to dismantle the cable termination of generalized information system, then by cable termination with Kernel phase system connection carries out nuclear phase, then again installs cable termination, is filled with sulfur hexafluoride gas.It is this to remove cable The method that terminal could carry out power failure nuclear phase work, nuclear phase process is comparatively laborious, increases the workload of nuclear phase, causes closed Generalized information system nuclear phase cost improves;And the cable termination of closed generalized information system can be increased in closure caused by disassembly process Problem causes generalized information system closed performance bad, and decreasing insulating easily causes electric shock accidents, puts into operation so as to cause substation Time lengthening.
Invention content
In view of this, the present invention proposes a kind of nuclear-phase method of totally enclosed type generalized information system, without dismantling the electricity of generalized information system Cable terminal can directly carry out nuclear phase, improve nuclear phase efficiency, reduce nuclear phase cost so that substation smoothly puts into operation.
The present invention provides a kind of nuclear-phase method of totally enclosed type generalized information system, wherein, the generalized information system includes two and makes somebody a mere figurehead Circuit inlet wire, respectively the first inlet wire and the second inlet wire, the described method comprises the following steps:S101, by two overhead transmission lines Drainage thread disconnects;S102, no additional power source all transport all mothers in the first inlet wire, the second inlet wire and generalized information system and segmentation Row closes 2 isolation switch of all service entrance switch and feeder link carrier line;S103, in the first inlet wire and the second inlet wire inlet wire At PT, dismantle the ground wire of inlet wire PT, at the ground wire dismantled respectively over the ground, it is alternate carry out shaking survey insulation resistance, with determine The phase sequence of generalized information system.
The present invention also provides a kind of nuclear-phase method of totally enclosed type generalized information system, wherein, the generalized information system includes two framves Ceases to be busy road inlet wire, respectively the first inlet wire and the second inlet wire, the described method comprises the following steps:S201, the first inlet wire, second into All mothers and segmentation are all run in line and generalized information system, close 2 isolation knifes of all service entrance switch and feeder link carrier line Lock;S202, external power supply at an overhead transmission line open air door type frame insulating sleeve, outdoor in another overhead transmission line wherein Phase sequence verification is carried out at door type frame insulating sleeve, to determine the phase sequence between overhead transmission line inlet wire.
Preferably, wherein measuring voltage value using multimeter at the door type frame insulating sleeve of overhead transmission line open air carries out phase sequence Verification.
The present invention also provides a kind of nuclear-phase method of totally enclosed type generalized information system, wherein, the generalized information system includes two framves Ceases to be busy road inlet wire, respectively the first inlet wire and the second inlet wire, the described method comprises the following steps:S301, the first inlet wire, second into Line, all mothers and segmentation are all run, and close 2 isolation switch of all service entrance switch and feeder link carrier line;S302, in institute There is external power supply at the outdoor door type frame insulating sleeve of inlet wire, carried out at the outdoor door type frame insulating sleeve of an inlet wire wherein Check Phase Sequence, to determine the phase sequence between the busbar in generalized information system.
Preferably, wherein measuring voltage value using multimeter at the door type frame insulating sleeve of overhead transmission line open air carries out phase sequence Verification.
The present invention also provides a kind of nuclear-phase method of totally enclosed type generalized information system, wherein, the generalized information system includes two framves Ceases to be busy road inlet wire, respectively the first inlet wire and the second inlet wire, the described method comprises the following steps:S401, no additional power source, in order Level-one generalized information system normal operation, all mothers and segmentation all run, main transformer cold standby, close all service entrance switch and 2 isolation switch of feeder link carrier line;S402 selects to carry out shaking survey insulated electro at the grounding switch of wherein one busbar PT Resistance, to determine phase sequence of the inlet wire as the totally enclosed type generalized information system of transformer.
Preferably, after step S402, the method further includes S403, after determining that phase sequence verification is completed, upper one The grade generalized information system method of operation is constant, pulls open 2 isolation of all service entrance switch and feeder link carrier line of this grade of generalized information system Disconnecting link.
The present invention also provides a kind of nuclear-phase method of totally enclosed type generalized information system, wherein, the generalized information system includes two framves Ceases to be busy road inlet wire, respectively the first inlet wire and the second inlet wire, the described method comprises the following steps:S501, in whole transformer station frame External power supply at the door type frame insulating sleeve of ceases to be busy road open air enables main transformer drive corresponding bus run, all mothers and point Section is all in hot stand-by duty;S502, the rapid grounding disconnecting link of PT that will be corresponding to the busbar of nuclear phase is dismantled, in rapid grounding The disconnecting link place of dismantling carries out Check Phase Sequence, to determine phase sequence of the inlet wire between the busbar in the totally enclosed type generalized information system of transformer.
Preferably, wherein measuring voltage value using multimeter at the rapid grounding disconnecting link place of dismantling carries out phase sequence verification.
Totally enclosed type generalized information system nuclear-phase method provided by the invention, without additional power source, by by the ground connection at inlet wire PT Line is dismantled, and is used to shake at the ground wire dismantled and is surveyed insulating method progress nuclear phase;To the inlet wire and busbar of totally enclosed type generalized information system Between nuclear phase when, need external power supply at insulating sleeve of one of which, nuclear phase carried out at another insulating sleeve, relatively In traditional method dismantled the cable termination of generalized information system and carry out nuclear phase, nuclear phase cost is reduced, improves nuclear phase efficiency, Avoid the closed question that cable termination is brought in disassembly process.
Description of the drawings
Fig. 1 is the flow chart of the nuclear-phase method of the totally enclosed type generalized information system of the embodiment of the present invention.
Fig. 2 is the circuit of the 330KV substations 330KV of the nuclear-phase method of the totally enclosed type generalized information system of the embodiment of the present invention Schematic diagram.
Fig. 3 is the flow chart of the overhead transmission line inlet wire nuclear-phase method of the totally enclosed type generalized information system of the embodiment of the present invention.
Fig. 4 be the totally enclosed type generalized information system of the embodiment of the present invention busbar between nuclear-phase method flow chart.
Fig. 5 is flow chart of the inlet wire of the embodiment of the present invention for the totally enclosed type generalized information system nuclear-phase method of transformer.
Fig. 6 is the circuit of the 330KV substations 110KV of the nuclear-phase method of the totally enclosed type generalized information system of the embodiment of the present invention Schematic diagram.
Fig. 7 is nuclear-phase method of the inlet wire of the embodiment of the present invention between the busbar of the totally enclosed type generalized information system of transformer Flow chart.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, technical scheme of the present invention is described in detail.
Fig. 1 shows the flow chart of the nuclear-phase method of totally enclosed type generalized information system, and Fig. 2 shows 330KV substations 330KV Circuit diagram.Generalized information system include two overhead transmission line inlet wires, respectively the first inlet wire and the second inlet wire, wherein, first into Line is Jiang's oil Ι lines, and the second inlet wire is Jiang's oil II lines, and this method includes the following steps:
S101 disconnects the drainage thread of two overhead transmission lines;
Without additional power source, all mothers in Jiang oil Ι lines, Jiang's oil II lines and generalized information system and segmentation are all transported by S102 Row closes 2 isolation switch of all service entrance switch and feeder link carrier line;
S103 at Jiang's oil Ι lines and Jiang's oil II line inlet wires PT, dismantles the ground wire of inlet wire PT, at the ground wire dismantled Respectively over the ground, it is alternate shake survey insulation, to determine the phase sequence of generalized information system.
In an embodiment of the present invention, as shown in Fig. 2, wherein, in the art, busbar is transformer to each panel switches Between conducting wire.One switch has disconnecting switch on two rows of busbares arranged side by side, then the connecting valve of this two rows of busbar, is Bus connection switch, referred to as mother;One switch is referred to as segmented when single busbar has disconnecting switch.The mother of 330KVGIS systems Line is bus single-subsection, and two mothers one are segmented.330KVGIS systems further include 4 main transformer outlets, respectively with 1# The main transformation station connection of the main transformation station of main transformation station, 2#, the main transformation stations of 3#, 4#.It, will be aerial when checking 330KVGIS system phase sequences The drainage thread of circuit disconnects, and Jiang oil Ι lines, Jiang oil II lines, Ι mothers, II mothers and segmentation are run, close all service entrance switch, 330KVGIS systems are formed a looped network by 2 isolation switch of feeder link carrier line.In Jiang's oil Ι lines and Jiang's oil II line inlet wires At PT (voltage transformer), dismantle the ground wire of inlet wire PT, using insulating megger respectively over the ground, it is alternate shake survey insulation, Ru Gexiang Respectively A phase, B phase, C phase, using insulating megger respectively to A with respect to B phases, C phases, B with respect to C phases, C is relatively shaken Insulation is surveyed, if the resistance value measured between two phase lines is 0, illustrates that the phase sequence of two surveyed phase lines is not right.
As shown in figure 3, the phase sequence for inlet wire between the inlet wire of the totally enclosed type generalized information system of overhead transmission line, nuclear phase Method includes the following steps:All mothers and segmentation are all run in S201, Jiang oil Ι line, Jiang's oil II lines and generalized information system, are closed 2 isolation switch of all service entrance switch, feeder link carrier line;S202, wherein an overhead transmission line open air door type frame insulation External power supply at casing carries out phase sequence verification at another overhead transmission line open air door type frame insulating sleeve.
In an embodiment of the present invention, specifically, when the phase sequence between Jiang's oil Ι lines and Jiang's oil II lines carries out nuclear phase, In the case where 330KVGIS systems form looped network normal operation;On the door type frame Jiang's oil Ι line insulating sleeves of 330KVGIS open airs Predetermined power source is accessed, such as 380v power supplys;It is measured at the door type frame Jiang's oil II line insulating sleeves of 330KVGIS open airs using multimeter Voltage, the three-phase of Jiang's oil Ι lines is respectively A1 phases, A2 phases, A3 phases, and Jiang's oil II lines are respectively B1 phases, B2 phases, B3 phases, utilize general-purpose Table measures A1 phases and B1 phases, B2 phases, B3 phases respectively, between A2 and B1 phases, B2 phases, B3 phases and A3 phases and B1 phases, B2 phases, B3 phases Voltage, if voltage value is 0, it is same phase to illustrate two phase lines.
For phase sequence of the inlet wire between the busbar in the totally enclosed type generalized information system of overhead transmission line, checking method is: S301, Jiang oil I line, Jiang oil II lines, all mothers and segmentation are all run, and close the 2 of all service entrance switch and feeder link carrier line A isolation switch;S302, the open air of external power supply, wherein an inlet wire at the outdoor door type frame insulating sleeve of all inlet wires Check Phase Sequence is carried out at door type frame insulating sleeve.
In the embodiment of invention, as shown in Fig. 2, being 3 busbares in the 330KVGIS systems of overhead transmission line to inlet wire Between when carrying out nuclear phase, all same electricity of access on 330KVGIS open airs door type frame Jiang oil Ι lines and Jiang's oil II line insulating sleeves Source, such as 380v power supplys.Jiang oil I lines, Jiang oil II lines, all mothers and segmentation are all run, close all service entrance switch and feeder line 2 isolation switch of busbar are connected, core is carried out using multimeter on the door type frame Jiang's oil II line insulating sleeves of 330kvGIS open airs Phase.Such as the three-phase of Jiang's oil I lines is respectively A phase, B phase, C phase, the three-phase of Jiang's oil II lines is a phases, b phases, c phases, utilizes multimeter A phases and a phases, b phases, c phases are detected, the voltage value between B phases and a phases, b phases, c phases and C phases and a phases, b phases, c phases carries out phase sequence core Right, to examine Jiang's oil I lines and Jiang's oil II lines after combined floodgate, short-circuit conditions, such as A phases and a phase voltage values can or can not occur in system It is 0, then illustrates same phase.
For the totally enclosed type generalized information system that inlet wire is transformer, the method for nuclear phase is:S401, no additional power source, upper one Grade generalized information system normal operation, all mothers and segmentation are all run, and main transformer cold standby closes all service entrance switch and feedback Line connects 2 isolation switch of busbar;S402 selects to carry out shaking survey insulation resistance at the grounding switch of wherein one busbar PT, With Check Phase Sequence.
In embodiments of the present invention, as shown in figure 3,4 main transformers are connect respectively with four busbares of 110KV, The busbar of 110KVGIS systems is the double segmentations of double-bus, i.e. two busbares, two segmentations, outgoing line interval is 8 step-down transformers, 6 contact voltage devices and 2 double hydrocarbon feeder lines.330KV is 110KV through main transformer transformation.In verification 110KVGIS system phase sequences When, without additional power source, 330KVGIS system normal operations, 4 main transformer cold standbies close all service entrance switch and feedback Line connects 2 isolation switch of busbar, wherein using the side for shaking survey insulation at busbar (such as II busbares) PT grounding switch Method respectively over the ground, the alternate phase sequence for shake survey insulation, determining 110KVGIS systems.Three-phase such as II busbares is respectively A phases, B Phase, C phases need to detect A phases and A phase, B phase, C phase respectively, the insulation resistance between B phases and B phases, C phases and C phases and C phases, if The resistance value is 0, then illustrates same phase;If insulation resistance is infinity, illustrate different phases.
Further, S403 is further included, after confirming that phase sequence verification is completed, the upper level generalized information system method of operation is constant, Pull open all service entrance switch of this grade of generalized information system and 2 isolation switch of feeder link carrier line.In the present embodiment, in core During to complete phase sequence, 330KVGIS system operation modes are constant, pull open all service entrance switch of 110KV systems and feeder link carrier line 2 isolation switch.Equally, it also uses to shake in the phase sequence of verification 110KVGIS systems and surveys insulation meter progress nuclear phase.
For phase sequence of the inlet wire between the busbar in the totally enclosed type generalized information system of transformer, checking method is: S501, the external power supply at the door type frame insulating sleeve of whole transformer station overhead transmission line open air, main transformer drive corresponding busbar Operation, all mothers and segmentation are all in hot stand-by duty;S502, the rapid grounding knife of PT that will be corresponding to the busbar of nuclear phase Lock is dismantled, and Check Phase Sequence is carried out at the rapid grounding disconnecting link place of dismantling.
In an embodiment of the present invention, when checking the I busbares and II bus wire phase sequences in 110KVGIS systems, 330KVGIS families The power supply of 380V, the main transformation station band I bus runs of 1#, 2# are all accessed on outer door type frame Jiang oil I lines and Jiang's oil II line insulating sleeves Main transformation station band III bus runs, the main transformation station band II bus runs of 3#, the main transformation station band IV bus runs of 4#, all mothers With segmentation all in hot stand-by duty.Rapid grounding disconnecting link at I busbar PT and II busbares PT is dismantled, general-purpose is utilized at this Table measures voltage, to carry out the verification of phase sequence.Three-phase at I busbares PT is respectively A1 phases, B1 phases, C1 phases, at II busbares PT Three-phase is respectively A2 phases, B2 phases, C2 phases.A1 is measured respectively using multimeter with respect to A2 phases, B2 phases, C2 phases, B1 is with respect to A2 phases, B2 Phase, C2 phases and C1, if voltage value is 0, illustrate same phase with respect to the voltage value between A2 phases, B2 phases, C2 phases.
Further, check 110KVGIS systems in I busbares and III busbares, III busbares and IV busbares, II busbares and The method of the phase sequence of IV busbares is with I busbares as the method for II busbar nuclear phases.
Totally enclosed type generalized information system nuclear-phase method provided by the invention, without additional power source, by by the ground connection at inlet wire PT Line is dismantled, and is used to shake at the ground wire dismantled and is surveyed insulating method progress nuclear phase;To the inlet wire and busbar of totally enclosed type generalized information system Between nuclear phase when, need external power supply at insulating sleeve of one of which, nuclear phase carried out at another insulating sleeve, relatively In traditional method dismantled the cable termination of generalized information system and carry out nuclear phase, nuclear phase cost is reduced, improves nuclear phase efficiency, Avoid the closed question that cable termination is brought in disassembly process.
More than, technical scheme of the present invention is described in detail in conjunction with specific embodiments, described specific implementation Example is used to help understand the thought of the present invention.The derivation that those skilled in the art make on the basis of the specific embodiment of the invention It is also belonged within the scope of the present invention with modification.

Claims (9)

1. a kind of nuclear-phase method of totally enclosed type generalized information system, which is characterized in that the generalized information system include two overhead transmission lines into Line, respectively the first inlet wire and the second inlet wire, the described method comprises the following steps:
S101 disconnects the drainage thread of two overhead transmission lines;
All mothers in first inlet wire, the second inlet wire and generalized information system and segmentation are all run, closed by S102, no additional power source 2 isolation switch of all service entrance switch and feeder link carrier line;
S103 at the first inlet wire and the second inlet wire inlet wire PT, dismantles the ground wire of inlet wire PT, distinguishes at the ground wire dismantled Over the ground, it is alternate to carry out shaking survey insulation resistance, to determine the phase sequence of generalized information system.
2. a kind of nuclear-phase method of totally enclosed type generalized information system, which is characterized in that the generalized information system include two overhead transmission lines into Line, respectively the first inlet wire and the second inlet wire, the described method comprises the following steps:
S201, in the first inlet wire, the second inlet wire and generalized information system all mothers and segmentation all run, close all service entrance switch With 2 isolation switch of feeder link carrier line;
S202, external power supply at an overhead transmission line open air door type frame insulating sleeve wherein, at another overhead transmission line family Phase sequence verification is carried out at outer door type frame insulating sleeve, to determine the phase sequence between overhead transmission line inlet wire.
3. the nuclear-phase method of totally enclosed type generalized information system as claimed in claim 2, which is characterized in that wherein at overhead transmission line family Voltage value is measured using multimeter at outer door type frame insulating sleeve and carries out phase sequence verification.
4. a kind of nuclear-phase method of totally enclosed type generalized information system, which is characterized in that the generalized information system include two overhead transmission lines into Line, respectively the first inlet wire and the second inlet wire, the described method comprises the following steps:
S301, the first inlet wire, the second inlet wire, all mothers and segmentation are all run, and close all service entrance switch and feeder link carrier 2 isolation switch of line;
S302, the outdoor door type frame of external power supply, wherein an inlet wire at the outdoor door type frame insulating sleeve of all inlet wires Check Phase Sequence is carried out at insulating sleeve, to determine the phase sequence between the busbar in generalized information system.
5. the nuclear-phase method of totally enclosed type generalized information system as claimed in claim 4, which is characterized in that wherein at overhead transmission line family Voltage value is measured using multimeter at outer door type frame insulating sleeve and carries out phase sequence verification.
6. a kind of nuclear-phase method of totally enclosed type generalized information system, which is characterized in that the generalized information system include two overhead transmission lines into Line, respectively the first inlet wire and the second inlet wire, the described method comprises the following steps:
S401, no additional power source enable upper level generalized information system normal operation, and all mothers and segmentation are all run, main transformer cold standby With closing 2 isolation switch of all service entrance switch and feeder link carrier line;
S402 selects to carry out shaking survey insulation resistance at the grounding switch of wherein one busbar PT, to determine inlet wire as transformer The phase sequence of totally enclosed type generalized information system.
7. the nuclear-phase method of totally enclosed type generalized information system as claimed in claim 6, which is characterized in that after step S402, institute The method of stating further includes S403, and after determining that phase sequence verification is completed, the upper level generalized information system method of operation is constant, pulls open this grade of GIS All service entrance switch of system and 2 isolation switch of feeder link carrier line.
8. a kind of nuclear-phase method of totally enclosed type generalized information system, which is characterized in that the generalized information system include two overhead transmission lines into Line, respectively the first inlet wire and the second inlet wire, the described method comprises the following steps:
S501, the external power supply at the door type frame insulating sleeve of whole transformer station overhead transmission line open air enable main transformer drive corresponding Bus run, all mothers and segmentation all in hot stand-by duty;
S502, the rapid grounding disconnecting link of PT that will be corresponding to the busbar of nuclear phase are dismantled, and are carried out at the rapid grounding disconnecting link place of dismantling Check Phase Sequence, to determine phase sequence of the inlet wire between the busbar in the totally enclosed type generalized information system of transformer.
9. the nuclear-phase method of totally enclosed type generalized information system as claimed in claim 8, which is characterized in that wherein in rapid grounding knife The lock place of dismantling measures voltage value using multimeter and carries out phase sequence verification.
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CN107607801A (en) * 2017-08-17 2018-01-19 国网北京市电力公司 Nuclear-phase method, the apparatus and system of overhead transmission line
CN113311229A (en) * 2021-07-02 2021-08-27 山东钢铁股份有限公司 Method for testing power phase of GIS cabinet
CN113325236A (en) * 2021-07-02 2021-08-31 山东钢铁股份有限公司 Power transmission phase checking method for double-bus double-section wiring GIS cabinet power supply

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