Some standard content:
LDC 621. 3. 066. 621- 3. 027. 7/8KE4
National Standard of the People's Republic of China
GB/T 2900.20-94
Electrical Terminology
High Voltage Switchgear
Efectratechnical terniinoflogsIlgh-voltageswitchgcar
1994-04-12issued
1994-12-01implemented
issued by the State Administration of Technical Supervision
Subject content and timely scope
General terminology
Technical spectrum of high-voltage switchgear
Terminology of switchgear
Operational terminology
Sustainable reference terminology
Test and test inspection
Chinese required citation
Text index
National Standard of the People's Republic of China
Electrical terminology High-voltage switchgear
Electrotechnical terniinolagyHigh-voltage switchgcar
GB/T 29C0.20-94
This standard is mainly used in accordance with the International Medical Application Committee (I) 50 white version of the national standard electrical vocabulary 1KV) No. 44: Commercial knife switch equipment, control equipment power tower breaker 3 (1981 noon edition), 5 out and material high positive AC circuit breaker 3 (1987 release) 129 publications exchange rise two disease rise close department earthing switch 3 (1984 single). 265-: and 265.2 publication high Le goods open (199 edition! 292 out take out AC gold shop plan close + switch equipment and control equipment (199C edition) and 517 publication solution rated voltage 72.5kV and above gas condensation metal sheet close switch equipment (1956 and edition) and other international standards .
1 Subject content and scope of application
This standard adds provisions for the use of high-voltage switchgear and commercial voltage switchgear, the properties of switch parts, the selection, measurement, test and testing of the overall equipment.
This standard is applicable to high-voltage circuit breakers, reclosers, sectionalizers, load switches, trap switches, earthing switches, contactors, decision makers, combination electrical appliances, sealed switchgear (commercial switchgear, etc.), and other high-voltage switchgear (including commercial switchgear, etc.), and formulates, establishes standards, abbreviations and translations, and references to other materials, professional manuals and books, etc. 2 General terms
2.1 Core length a:: kength
length of the center line of the arc,
2.2 arc voltagearevoltagc
voltage drop at the end of the arc.
2.3pstarccurent
the voltage drop of the arc source during the recovery voltage action period after the medium-strong current reaches zero (1.?tea of GH4473-3).
2.4research currentdincnruar cure
the sum of the current and the test current (i.e. the actual current after the voltage response is tested) (or the sum of the waveforms).2.5series current interruption (cut-off)currcntchopzing current suddenly drops to the value of the current before the self-heating zero point.2.6system zero pointcurrent zerp
the point at which the current is zero.
2.7 Arc) Electromagnetic field (ateJeurrent-zeropesiod The period of time from the start of the voltage change to the instant when the current passes through zero. 2.a Overcurrent Geercurrent
The current exceeds the rated current: (IEV441-11-06) 2.9 Short-circuit current 1994-04-12 National Technical Supervision and Administration Commission of the People's Republic of China (hereinafter referred to as the State Administration of Technology) (Approved on 1994-12-01) (hereinafter referred to as the State Administration of Technology ... koP
The time between two adjacent current zero points is called the half-wave of the current. (See 3.11.173 of IE
2.13) The time between two adjacent current zero points is called the half-wave of the current. (See 3.11.173 of IE
2.13) The time between two adjacent current zero points is called the half-wave of the current. (See 3.11.173 of IE 101.17)
2.14 During the disconnection process, after the current is extinguished, the residual current in the circuit will not appear within the 1/4 working period (according to EV441-17-45)
2.15 During the disconnection process, after the current is equal and isolated, the residual current in the circuit will not appear within the 1/1 working period (according to EV441-17-46)
2.16 The electrical contact Jertrit:on1i
conductors are connected and can return to the state of independence. 2.17 Fixed electrical connection gtstionaryelnetricto ntaitIn operation, there is no relative movement between the conductors. The movable contact has relative movement between the parts. The conductive part can be in contact with the electricity but may not be able to carry the working voltage. ([EV441-11-09) 2.20
External conductive parts expasecconduciveFarl The exposed conductive parts are easily touched by the customer. They are not energized and can be charged under fault conditions. (IFV44:-1:-C9) The exposed conductive parts are subject to external transient damage, work losses, etc. 2.21 (Separation of conductors ekekatinn(ofcunrlucAuxiliary circuit fcfswilgur】All conductive parts included in the conductive path outside the switch output circuit and the control circuit, (IEV4415-C4) Note: The beneficial components are slightly used for additional requirements, such as signals, micro-links, etc. Therefore, these circuits can also be part of other control circuits related to the switch. 2
2.27 Near-line fault aharr-line fault. Switch equipment. (Refer to TFV4411420) 3.14 Floor-standing circuit breaker derd Tank cicuit brenicer A circuit breaker with a grounded metal box + in the extinguishing room, (IEV44.1-14-25) 3.15 Wide hanging circuit breaker livrlank ririwitbreakcr4
GD/T2900.20—94
Except for the extinguishing room with power, the other boxes are not normally powered. (Refer to EV341-14-26)) 3.6 Air circuit breaker ir-bl:isl irdi-heakr The air circuit breaker is closed and disconnected in compressed air (refer to IEV111-14-%27) 3.17 Oil circuit breaker uilciruithreker
The air circuit breaker is closed and disconnected in compressed air (refer to 1FV441·1423) Body: Oil circuit breaker is a typical example of a fire-proof case with a charged box light less trapped in the new step liwtnitrinimumcicrcuit-bratker guest ground with my dangerous circuit breaker (dead tank hulk il ei:euit-huwuer) 3.1 Japanese
circuit breaker awrlvig-tr
Under the action of electricity, the gas produced by the material in the body is used as a decompression liver circuit breaker (refer to V44114.13) 3. 19
micro-blowing circuit device Inagnuticb.cw.ourircui-braaker in the air main day dense field makes the self-isolation movement quotient promote the vanishing point of the Xie Lu device 3. 2C
only fluorinated flow fine device SF. circuit-breaker melt head in sulfur hexaoxide gas closed, continuous station device, (polymass 1FV441-14-31) its air circuit device vactncircuit-breaier touch text in the air closed. Open the breaker: (see IEV4411-29) device inlati iecuir u
A switching device that can connect a predetermined sequence, perform opening and closing operations in parallel, and then automatically reset, open or close the switch with self-control (no external energy required): (See ANS1/1FEC37.) 3.23
A switching device that can automatically judge the number of current breaking operations and memorize the effective circuit breaker, and automatically open in the absence of power or current after reaching the required number of times. What are the features of these sectionalizers? They have the ability to close short-circuit current (automatic disconnection function) and to break the load center, so as to facilitate the opening of new short-circuit currents. (In accordance with ANSI/EFFC3.633.24
When leaving the disconnection position, there is a distance between the waist that meets the requirements of the regulations and is marked before the disconnection period: when the disconnection mode is abandoned, it can carry the self-current under normal circuit conditions and the current under normal conditions (such as short circuit) within the specified time. (Compared to V441-14-), when the circuit current is "small\, or the book\ is high The two-way electric switch of each switch contains a new front plate without a change in quality. The isolation is higher than the switch and the disconnection is reversed. The static head of each pole is held on the busbar or a separate point seat, and its moving contact is swung by a separate carbon frame. The direction of its break is perpendicular to the plane of the seat and the network is separated. (IFV441-12-06) Note: The standard is the protection type high-voltage switch (nGgrapadiscunector) and the network separation switch (weunig.taggrauh dlis.nrrc, 3.26 double-column type high-voltage switch double-colunndisconncstor has two rotatable heads on each pole, which are installed in independent positions and contact each other between the two safety columns! The two disconnectors are parallel in the plane: (refer to 1EV44-14-C8), and the high-voltage switch is only used for high-voltage switches. Single-column type barrier switch has two series disconnectors, and the disconnectors are flat on the bottom plane, so that the circuit is connected at two places. (refer to TEV4· 1114-59
3.28 Grounding switch A mechanical switch used to ground a national circuit. Under abnormal conditions (such as short circuit), it can carry a specified abnormal current within a specified time: under normal circuit conditions, it should not carry a current. (TFV-41-14-11) Reverse: The electrostatic switch can close the short circuit ionization function. The grounding switch can be assembled with the ionization switch in one table. GE/T29D0.2-94
3.29 Load switch awitchlixkd-lre:ki:g witch service under normal conductive circuit conditions or under certain overload conditions to close, carry and disconnect current, but also in abnormal conductive conditions (creative circuit) F specified time to bear the cost of power conversion, according to the need, can quickly have the ability to close the current ([EC265-1 5.1C:)
3.30 call load switch gureralpurposcawiice can carry not more than the rated current of all closing, carrying and breaking operations in the distribution system can close {I255-1 3103]
3.31 special load switch Lirnitcapurpwilch only one or more of the general load switch A non-full-energy load switch (except for manual operation of 3.105 of IFC851) 3.32 Contactor concur
, which has only one stop position and can close, withstand and disconnect positive and specified reverse current. It is an opening and closing device (IEV441-14-33)
Note: The stop position refers to the sign caused by the electrical connection of the contactor and the air-conducting device being in the movable point of the contactor. 3.33 Instantaneoustelaycontacta relay-type fuse without any intentional delayed action, (IEV441-14-36) Note: Unless otherwise specified, the time-delay contactor is a single-time safety device. 3.34 Time-delay contactor tmc-delayrelaycontaczon, which is a relay-type fuse with specified delay characteristics. (I V411137) standard, the delay can be with power on (\\ delay) and power off (\\ time> or Suzhou wine has the document 3.35 starter
slritttr
start and stop the motor when the overload protection element is combined in the combination of all the required opening and closing methods, (I I V441-14-38)
note, the starter is classified according to the required force. 336 direct technical starter directory.no lineaErter A starter that directly switches the line voltage to the motor load terminals. (VA111140) 3-37 Operating device
An operating device that operates a switch to close or open it. 3.3B Human hand-operated mechanism dependentmanualoperatingdevice An operating mechanism that can open or close a switch with only human hand force. The speed of the switch movement depends on the operator's action. 3.39 Operating mechanism dependentpoweroperatingdrvire An operating mechanism that requires other energy sources other than human hand force (such as electricity, motor, storage, gas, hydraulic pressure, etc.) to open or close a switch. Its operating continuity and power consumption are determined by the characteristics of the power source and the continuity of its supply: 3.40 Energy-converting mechanism storedenergyoperatingdevice A dual-action mechanism that uses the energy stored in the mechanism before operation to open or close a switch. ：Design：This mechanism can be divided into spring-type, gravity-sensing type, release type, and gas-type according to the energy method. 3.41 Manual force operating mechanism independent-manusloperatigdevioe service source comes from human [manual force, can be operated and released quickly in a reverse operation, the operating speed and force do not depend on the energy storage mechanism of the operating considerations.
4 switch component terms
41 head (switch) conLarl(rifNw ithing device) Two or more conductors, with common contact to make the conductive circuit continuous, their movement can be separated, the conductive circuit can be maintained in the following conditions: (IEV44115-05) 6
4.2 Moving contact inga:
The contact that moves during operation.
4.3 Fixed contact fixcdpontact
The contact whose operating position remains basically unchanged.
d.4.5.5.4 ... 1-10) The normally open contact of the moving head makescontacr;a contact-contact4.8
When the card contact of the switch is closed, it is closed and the card contact is disconnected. It is the control contact or auxiliary contact of the piece: (IEV441-1-15) 4.9 The normally open contact of the moving head makescontacr;a contact-contact4.8
When the card contact of the switch is closed, it is closed and the card contact is disconnected. It is the control contact or auxiliary contact of the piece: (IEV441-1-15) 4.9 The normally open contact of the moving head makescontacr;a contact-contact4.8
When the upper contact of the switch is closed, it is closed and the upper contact is disconnected. It is the control contact or auxiliary contact of the main pool head that is closed in time. (FV41-15-18) 4.10 burlcontac:
a contact in which the direction of relative movement of the moving heads is basically perpendicular to the contact surface (see 1EV441-15-14) 4.11 slideinRcontact:
a contact in which the direction of relative movement of the moving heads is basically parallel to the contact surface (see EV411-15-15) 412
rollercontact:
a contact in which one contact moves on top of another contact. (1EV411-15-16) 4.73 Contact zone (for single-column disconnectors) The space between the static contacts and the power contacts to make them in contact with each other. (3.1 of GB195589) 4.14 (single unit of circuit breaker) A component of a circuit breaker, which itself acts like a circuit breaker. It is connected in series with one or more phase-to-phase and simultaneously operating closing elements to form a complete circuit breaker. (3.1-3.21 of GB1EC56) The closing element and the disconnecting unit can be separate or combined, and a single unit can have several ends. The control room can be the same.
4.15 Extinguishing chamber are extingui.shing ehamber, the new installation is are-exringuishirygdevice two switches are used to limit the space position of the electric arc gun. (Winter IFV44115.184.15sef-energy ar-extinguiahing chamber mainly uses the electric energy to be strong. 4.17
external energy extinguishing chamber exterr.ai-cne'ky are-extingcishingrlurhr mainly uses the secondary chamber of external energy to attract. 4.18geoan-blaararc-exringxish:ng chamber extinguishes the solitary medium resistance of the collection system and the arc shot inquiry vertical extinguishing certificate. 4.19sub chamber axia-blast arr-exlinxuinlin cinanibur fire type price quality Eurasian direction cost and fixed speed to collect the strong plan. 4.20 horizontal blowing extinguishing chamber miix.tlulagrarc-cxtinguishingcharnher fire arc medium political arc piece to have both longitudinal blowing and horizontal blowing extinguishing drive hope. 4.2 extinguishing class are-exringuishtng tubeCR/T2900.20—94
made of gas-generating material to be used for extinguishing tube. 22 air cushion (of the air cushion) airugaon(of arcxlinguighingchaberforoicirecic.breaser）Oil breaker arc extinguishing chamber and store air separately, in order to improve the extinguishing performance. Air venting circuit breaker) Hiharnl (fuilitbrear) 4.23
Control the space above the oil level in the circuit breaker:
Energy-proof device Er.ti-pumpngdeuice
In the closing operation. As long as the operating mechanism that causes the closing still remains unchanged, the switch can no longer be closed due to the original area of the switch. For example: the protection device (refer to EV441-13-43) 4.25 Interlnckingdevire uses the type of loss depending on the position limit or operation of one or more other components of the equipment. (IKV+41-1549) d.26 (insulating bushung sleeve is placed outside the pressure-generating conductor, and it is convenient to practice through two layers of insulation components. The American coating wiring is used to control the frequency operation of the switch equipment and the control equipment (including active signals, electrical interlocking, etc.): (1EV44--11.16) Note: The switch component includes a necessary factory contact element for the system, 4.28
open (bone) auxbarygwinchofswinehindevice) contains a switch or a piece of mechanical operation and (or auxiliary chain head switch. (FV44-15-14.29 month
release release
+ shutdown fire connection : It is used to release the holding capacity so that the switch can be opened or closed. (1FV4211517! 4.30 Overcurrent release device averse release When the current of the release device exceeds a predetermined value, the switch is opened and closed. (IEV41-16-33) Task: Under certain conditions, the current rise can be determined by the instantaneous release device:
There is no effective delay before the release device is operated. (IEV44) -1G-32) Timed overcurrent release device definitetime-delayovercurrentrtlease4.329
There is a time-delay overcurrent release device with a delay value that can be adjusted, which is independent of the overcurrent value. (1EV441-16:2 44.33 Inverse time-delay overcurrent release A time-delay overcurrent release that operates after a time delay inversely proportional to the overcurrent value. (1EV441-16-35) Note: This device can be designed to operate when the overcurrent is very close to the limit. 4.34 Overcurrent release A direct overcurrent release is a positive overcurrent release that uses a mechanical switch to reduce the current. (IFVA4--:6-35) 4.35 Indirect overcurrent release An overcurrent release that uses a current regulator to supply a secondary circuit breaker or a shunt to activate the overcurrent release, [positive V41 on 16-37) 4.36 Pure overcurrent release rloadre:eas
A type of overcurrent release used for overload protection. (1EV44116-38) 4.37 Thermal overload release thermalaveiloadrelrs A time-sensitive release whose operation and delay are based on the thermal effect of the current flowing through the release, (1EV441-13-39) 4.38 Parallel release, a release that is excited by a voltage source. (2V44116-41) The positive source may be independent of the circuit breaker, 4.39 Thermal overvoltage release urlrvtagcclBe A type of release that causes the switch to disconnect or disconnect when the voltage at the release terminal drops below a certain predetermined value, (IEV(4T\i-42) 4.40 Position indicator os:tion indicating device GB/T 2900.20-94
indicating and closing the switch or earthing and installed in an obvious position: a component, (positive V machine: -15-254.41 energy single (assembly) funtinnlunir (ofanussmbl) switch modification and modification of the packaging components, including all components of the main and auxiliary circuits to meet the single inspection function, ([EV441.13-04)
when, the functional single core can be controlled by its kinetic energy to make a zone type such as reporting as a Yada year unit by taking the electric energy into the normal business clothes as a Yasheng unit, inversely it will supply electric energy to one or more external examples, 4.42 General assembly) cnmpartent(ofanaasemhly) general assembly: except for the openings required for internal control or ventilation, it holds the internal components closed. (13-053bzxz.net
4.43 Full board general assembly) rtitioofxembly) extension: a part of the general assembly that separates adjacent compartments, "IEV111-13-0") 4.44 Shuter(ofanaasembly) a part of the general assembly Components. When the movable head is still in contact with the fixed head, it can be raised: when the movable part is in contact, the skin is a fixed stomach or code pole, (IFV4411S) 4.45 Multiple components (of final assembly) remnvahlepRzt(sfanarsembly) print the main circuit energized, and can also be completely assembled and removed and replaced: (IFV441-12-08) 446 drawable component (of final assembly) wbdrawablepar(okaasebly) is a removable component. When the movable part maintains mechanical contact with the assembly, it can move to the point where it opens the contacts to form a high voltage or an ohm. (TFV441-13-09)
Note: The voltage or ohm is related to the country, not necessarily to the key return current exploration plan country. Fixed trip switch device fixedtrip switch device4.47
When the small is in the closed position, the individual can tax and the type of device reverse. (V41-16-30) Automatic trip switch device stomach trip-frctawitchingdence4.48
When the closing operation needs to be switched to the opening operation, the closing command is maintained, and the common moving contacts should also maintain the switch position between the opening positions. FV5
4.49 The end of the trainai
is used to connect and connect the external conductor. (See 1EC56 3.103.20) 5. Replace the term
with the action of opcracion
with the action of converting one bit into another bit, (IEV441-16-01) If it is necessary to distinguish, then the choice is also from the two meanings, is it a combination or a way out, in the sense of the machine it is a meeting or a division. 5.2 Opening operation The operation of switching a switch from the closed position to the open position (IEV441-16-U) 5.3 Opening operation The operation of switching a switch from the open position to the open position (IEV111-11-06) 5.4 "Closing/Opening" The operation of switching a switch immediately after the closing operation without any delay. 5.5 Cycling The continuous operation of switching from the closed position to the open position and returning to the original position. If more than one position is required, the other positions can be reversed (IEV441-1S-02) The continuous operation without adding loops is called a seasonal operation sequence. 5.6 Operation sequence operatings GH/T 2900.20---94
There is a specified time sequence. (1E-) Automatic reclosing operation 5.7
And the operation sequence of automatically closing again after closing is: IEV44? 16105.B Successful closing (gate price uesuccessfulautoreclnsinpeation After closing automatically, the state is due to external reasons, and the delay is immediately followed by the automatic opening of the accompanying sequence, A on the beam (+ installation) dependentmanualoperatian(of aawitching tlnvic) 5.9
This month, the human/hand force directly makes the switch operation, and the operation and force are determined by the operator's action selection. (IEV1411613) 5. Action selection (switch device) dependenpweroperatinncfa swit-hingitevire) The completion of the operation by using other energy sources other than human beings depends on the characteristics of the power source (such as acid, electricity, a dynamic structure, etc.) and the speed of its supply (1EV441-16-14) 5.11r energy-saving "switch device medicine" storel tergyupmritiun
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