CN2394351Y - 43KV single phase metal switch cabinet - Google Patents

Abstract

The utility model relates to a 43KV single phase metal switch cabinet, which is composed of a primary equipment breaker, an isolating switch, a mutual inductor, a lightning arrester, a self-use transformer, a secondary equipment measuring meter, a protecting sports device and a metal box body. A wire inlet cabinet, a wire outlet cabinet, a divided cabinet, a main coupling cabinet, a self-use transformer cabinet, a lightning arrester cabinet, a voltage mutual inductor cabinet and other derived communicating cabinets are manufactured. A bus chamber (MXS), a wire inlet and a wire outlet chambers (CXS) and a hand trolley chamber (SCS) can be electrically communicated with each other via the combination among different cabinet types. A contact box (GK) made of metallic conductive bodies coated by fixed insulating materials has the functions of breaking and switching on when current is not supplied at the side of the hand trolley chamber (SCS), and the sides of the bus chamber (MXS) and the wire inlet and the wire outlet chambers (CXS) can be fixedly connected together selectively. All high-voltage conductive bodies are coated by the insulating materials.

Description

43kV Single Phase Metal switch cubicle

The utility model relates to a kind of metal switch cabinet of tractive power supply system, particularly 43kV Single Phase Metal switch cubicle.

Single phase industrial frequence 25kV electric power system is adopted in current electric railway, and high voltage distribution installation is used traditional net grid compartment and installed by wall is on-the-spot, long construction period, and technology falls behind, and toy is not had the strick precaution ability, influences power supply safety.

The purpose of this utility model provides a kind of metal switch cabinet, realizes that factory makes, and improves technical level, and accelerating construction progress reduces land used.

The technical solution of the utility model is achieved in that below in conjunction with accompanying drawing and describes in detail:

Accompanying drawing 1 is the side-looking structure chart into and out of the line cabinet, it is characterized in that: the bus-bar room (MXS) that is arranged in 43kV Single Phase Metal switch cubicle bottom into and out of two buses (M, T) of line cabinet, one of two buses (M or T), current transformer (LH) on contact box (GK), handcart (SC), circuit breaker (DL), again through contact box (GK) to into and out of line chamber (CXS), outlet is drawn from the top wall bushing (CHX) of 43kV Single Phase Metal switch cubicle; One of two buses (M, T) (M) or (T) insert contact box (GK), another root (T) or (M) be not have to connect by this cabinet; The top of 43kV Single Phase Metal switch cubicle is provided with instrument and protection chamber (YBS), and the secondary line of the circuit breaker (DL) on cable and plug (LT) and handcart (SC) links to each other; Between line chamber (CXS) and instrument and protection chamber (YBS), establish hospital bus bar chamber (PM); Support by supporting insulator (ZHZ) into and out of line, bus (M, T);

Accompanying drawing 2 is the side-looking structure charts that separate cabinet, two buses (M, T) that separate cabinet are arranged in the bus-bar room (MXS) of 43kV Single Phase Metal switch cubicle bottom, one of two buses (M or T), metal on contact box (GK), handcart (SC) connect (JL), again through contact box (GK) to into and out of one of two branch bus (MZ or TZ) of line chamber (CXS), outlet is introduced adjacent cabinet from the side wall bushing (CHX) of 43kV Single Phase Metal switch cubicle;

Accompanying drawing 3 is side-looking structure charts of female connection cabinet, two buses (M, T) of female connection cabinet are arranged in the bus-bar room (MXS) of 43kV Single Phase Metal switch cubicle bottom, one of two buses (M or T), current transformer (LH) on contact box (GK), handcart (SC), circuit breaker (DL), again through contact box (GK) to into and out of one of two branch bus (MZ or TZ) of line chamber (CXS), outlet is introduced adjacent cabinet from the sidepiece wall bushing (CHX) of 43kV Single Phase Metal switch cubicle;

Accompanying drawing 4 is side-looking structure charts of house transformator cabinet, two buses (M, T) of the house transformator cabinet of house transformator cabinet are arranged in the bus-bar room (MXS) of 43kV Single Phase Metal switch cubicle bottom, two buses (M, T) respectively through wall bushing (CHX) to into and out of the contact box (GK) of line chamber (CXS), enter handcart chamber (SCS) by contact box (GK), be connected to house transformator (BYQ) through fuse (RDQ), the low pressure of house transformator (BYQ) enters distribution box (PDX); The width dimensions of house transformator cabinet is greater than into and out of the line cabinet; If branch bus (MZ or TZ) will insert contact box (GK) respectively from two branch bus (MZ, TZ) into and out of line chamber (CXS) by this cabinet;

The side-looking structure chart of accompanying drawing 5 lightning arrester cabinets, two buses (M, T) of lightning arrester cabinet are arranged in the bus-bar room (MXS) of 43kV Single Phase Metal switch cubicle bottom, one of two buses (M or T), through wall bushing (CHX) to into and out of the contact box (GK) of line chamber (CXS), enter handcart chamber (SCS) by contact box (GK), be connected to lightning arrester (BLQ) through fuse (RDQ); If branch bus (MZ or TZ) is by this cabinet, will be from inserting contact box (GK) into and out of one of two branch bus (MZ or TZ) of line chamber (CXS);

The side-looking structure chart of accompanying drawing 6 voltage transformer cabinets, two buses (M, T) of voltage transformer cabinet are arranged in the bus-bar room (MXS) of 43kV Single Phase Metal switch cubicle bottom, one of two buses (M or T), through wall bushing (CHX) to into and out of the contact box (GK) of line chamber (CXS), enter handcart chamber (SCS) by contact box (GK), be connected to voltage transformer (YH) through fuse (RDQ); If branch bus (MZ or TZ) is by this cabinet, will be from inserting contact box (GK) into and out of one of two branch bus (MZ or TZ) of line chamber (CXS);

Contact box (GK) is to be made by solid insulating material coated metal electric conductor, the function that disconnects and connect when side has no current at handcart chamber (SCS), bus-bar room (MXS) with can selectively fixedly connected into and out of line chamber (CXS) side;

All high-voltage conductor seals with wrapped with insulation;

Combination between the different cabinet types can realize bus-bar room (MXS), and is logical into and out of the Electricity Federation between line chamber (CXS) and handcart chamber (SCS).

By above-mentioned into and out of the line cabinet, separate cabinet, female connection cabinet, house transformator cabinet, lightning arrester cabinet, voltage transformer cabinet and become the complete distribution system of various functions by the contact group that their derive from, finish the safety distribution of electric energy.Realize that factory makes, improved technical merit, accelerating construction progress reduces land used.

43kv Single Phase Metal switch cubicle structure of the present utility model can be used for single bus-bar system, cancellation bus (M, MZ) or bus (T, TZ) and relevant connector and insulation supporter, and the switch cubicle of identical electric pressure can be reduced in size.

43kv Single Phase Metal switch cubicle structure of the present utility model, the three-phase system that can also be used for 3 buses, bus (M, T) or bus (MZ, TZ) are considered as two buses of three-phase system, suitably adjust insulation distance, increase a bus according to insulating requirements, electric pressure; Go for 35kv, 10kv electric pressure.

Electric railway single phase industrial frequence 25kv electric power system, bus rated voltage 27.5kv, the ceiling voltage 30.5kv that may reach.

When adopting the single-phase transformer power supply, bus rated voltage 27.5kv, the ceiling voltage 30.5kv that may reach.

Adopt two single-phase transformers form V/V wiring power supply or adopt star-triangle (Yn, D) during the power supply of wiring three-phase transformer, bus rated voltage 27.5kv, the ceiling voltage 30.5kv that may reach, the alternate ceiling voltage 30.5kv that may reach.

When adopting the power supply of SCOOT transformer connection or adopting the power supply of Yn/A balancing transformer wiring three-phase transformer, bus rated voltage 27.5kv, the ceiling voltage 30.5kv that may reach, the alternate ceiling voltage 43.133kv that may reach.

43kv Single Phase Metal switch cubicle of the present utility model, ceiling voltage is positioned at 43kv, goes for the above various wiring transformers of enumerating.

Compare with existing technology, realized factory's manufacturing, mounting technique standard, unification have improved construction quality, have improved technical merit, and testing equipment is perfect, and machining accuracy is higher, has improved whole reliability; Finish the construction and installation in a traction substation hyperbaric chamber in the building site by electric equipment, parts, generally need 60 working days, adopt 43kv Single Phase Metal switch cubicle of the present utility model, finished test in factory, lead-in wire, ground connection just are installed, needed for 10 working days, accelerated construction schedule; Implement the construction and installation in a traction substation hyperbaric chamber in the building site by electric equipment, parts, insulation level is by air insulation, distance is bigger, space hold is also bigger, adopting 43kv Single Phase Metal switch cubicle of the present utility model, is by whole high-voltage conductors, seals with wrapped with insulation, insulation distance reduces, and reduces land used.

The drawing explanation:

Fig. 1 is the side-looking structure chart into and out of the line cabinet; ZHZ--supporting insulator GK---contact box M----bus T----bus MXS--bus-bar room SC---handcart SCS--handcart chamber LH---current transformer DL---circuit breaker LT---cable and the plug YBS--PM---of control room hospital bus bar chamber CXS--are the side-looking structure charts that separates cabinet into and out of line chamber CHX--wall bushing Fig. 2; JL---metal connecting line TZ---branch bus MZ---branch bus is surplus to be the side-looking structure chart of female connection cabinet with Fig. 1 Fig. 3; With Fig. 1 Fig. 4 is the side-looking structure chart of house transformator cabinet; The surplus side-looking structure chart of PDX---low-tension distribution box RDQ---fuse BYQ---house transformator with Fig. 1 accompanying drawing 5 voltage transformer cabinets; The surplus side-looking structure chart of YH---voltage transformer with Fig. 4 Fig. 6 lightning arrester cabinet;

The BLQ---lightning arrester

Surplus same Fig. 4.

Realizing that this is suitable for novel 43kv Single Phase Metal switch cubicle best way, is the power distribution equipment that is combined into a practical electric substation.

Fig. 7 is a traction substation 27.5kv main wiring diagram for example

Traction substation is established 2 traction transformers (not marking among the figure), and 1 main 1 received shipment is capable, and 2 outlets of 1# main transformer are 2 inlet wire 1TJX, 1MJX of power distribution equipment, use 2 into and out of the line cabinet, send into T, M bus respectively.The T bus is established TBLQ and is used the lightning arrester cabinet, THGQ working voltage instrument transformer cabinet, TDRQ uses into and out of the power supply of line cabinet and holds compensation, if 1DL, 2DL, use 2 to power to the uplink and the downgoing line of up direction into and out of the line cabinet, TGK uses and separates cabinet, and ZYBYQ uses the house transformator cabinet, and TGK uses and separates cabinet.

2 outlets of 2# main transformer are 2 inlet wire 2TJX, 2MJX of power distribution equipment, use 2 into and out of the line cabinet, send into T, M bus respectively.The M bus is established MBLQ and is used the lightning arrester cabinet, MHGQ working voltage instrument transformer cabinet, MDRQ uses into and out of the power supply of line cabinet and holds compensation, if 3DL, 4DL, use 2 to power to the uplink and the downgoing line of down direction into and out of the line cabinet, MGK uses and separates cabinet, house transformator cabinet of the common use of ZYBYQ and T bus, and MGK uses and separates cabinet.Complete 19 switch cubicles that use altogether.

There is more than 200 operating traction substation still to adopt traditional net grid compartment at present, need to transform; Annual newly-built 20～30 traction substations are waited for product newly developed.

The product quantity of 10kv, 35kv level is more.

Claims (1)

1. a metal switch cabinet, particularly 43kV Single Phase Metal switch cubicle are made up of primary equipment circuit breaker, isolating switch, instrument transformer, lightning arrester, house transformator, secondary device gauge table meter, protection telemechanical apparatus and metal cabinet; It is characterized in that: the bus-bar room (MXS) that is arranged in 43kV Single Phase Metal switch cubicle bottom into and out of two buses (M, T) of line cabinet, one of two buses (M or T), current transformer (LH) on contact box (GK), handcart (SC), circuit breaker (DL), again through contact box (GK) to into and out of line chamber (CXS), outlet is drawn from the top wall bushing (CHX) of 43kV Single Phase Metal switch cubicle; One of two buses (M, T) (M) or (T) insert contact box (GK), another root (T) or (M) be not have to connect by this cabinet; The top of 43kV Single Phase Metal switch cubicle is provided with instrument and protection chamber (YBS), and the secondary line of the circuit breaker (DL) on cable and plug (LT) and handcart (SC) links to each other; Between line chamber (CXS) and instrument and protection chamber (YBS), establish hospital bus bar chamber (PM); Support by supporting insulator (ZHZ) into and out of line, bus (M, T);

Two buses (M, T) that separate cabinet are arranged in the bus-bar room (MXS) of 43kV Single Phase Metal switch cubicle bottom, one of two buses (M or T), metal on contact box (GK), handcart (SC) connect (JL), again through contact box (GK) to into and out of one of two branch bus (MZ or TZ) of line chamber (CXS), outlet is introduced adjacent cabinet from the side wall bushing (CHX) of 43kV Single Phase Metal switch cubicle;

Two buses (M, T) of female connection cabinet are arranged in the bus-bar room (MXS) of 43kV Single Phase Metal switch cubicle bottom, one of two buses (M or T), current transformer (LH) on contact box (GK), handcart (SC), circuit breaker (DL), again through contact box (GK) to into and out of one of two branch bus (MZ or TZ) of line chamber (CXS), outlet is introduced adjacent cabinet from the sidepiece wall bushing (CHX) of 43kV Single Phase Metal switch cubicle;

Two buses (M, T) of house transformator cabinet are arranged in the bus-bar room (MXS) of 43kV Single Phase Metal switch cubicle bottom, two buses (M, T) respectively through wall bushing (CHX) to into and out of the contact box (GK) of line chamber (CXS), enter handcart chamber (SCS) by contact box (GK), be connected to house transformator (BYQ) through fuse (RDQ), the low pressure of house transformator (BYQ) enters distribution box (PDX); The width dimensions of house transformator cabinet is greater than into and out of the line cabinet; If branch bus (MZ or TZ) will insert contact box (GK) respectively from two branch bus (MZ, TZ) into and out of line chamber (CXS) by this cabinet;

Two buses (M, T) of lightning arrester cabinet are arranged in the bus-bar room (MXS) of 43kV Single Phase Metal switch cubicle bottom, one of two buses (M or T), through wall bushing (CHX) to into and out of the contact box (GK) of line chamber (CXS), enter handcart chamber (SCS) by contact box (GK), be connected to lightning arrester (BLQ) through fuse (RDQ); If branch bus (MZ or TZ) is by this cabinet, will be from inserting contact box (GK) into and out of one of two branch bus (MZ or TZ) of line chamber (CXS);

Two buses (M, T) of voltage transformer cabinet are arranged in the bus-bar room (MXS) of 43kV Single Phase Metal switch cubicle bottom, one of two buses (M or T), through wall bushing (CHX) to into and out of the contact box (GK) of line chamber (CXS), enter handcart chamber (SCS) by contact box (GK), be connected to voltage transformer (YH) through fuse (RDQ); If branch bus (MZ or TZ) is by this cabinet, will be from inserting contact box (GK) into and out of one of two branch bus (MZ or TZ) of line chamber (CXS);

Combination between the different cabinet types can realize bus-bar room (MXS), and is logical into and out of the Electricity Federation between line chamber (CXS) and handcart chamber (SCS);

Contact box (GK) is to be made by solid insulating material coated metal electric conductor, the function that disconnects and connect when side has no current at handcart chamber (SCS), bus-bar room (MXS) with can selectively fixedly connected into and out of line chamber (CXS) side;

All high-voltage conductor seals with wrapped with insulation.

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