CN101980407A

CN101980407A - Quick install substation

Info

Publication number: CN101980407A
Application number: CN 201010509791
Authority: CN
Inventors: 鲁玮; 张泽欣; 马君
Original assignee: WOLONG TRANSFORMERS CO Ltd YINCHUAN; Wolong Electric Group Co Ltd
Current assignee: WOLONG TRANSFORMERS CO Ltd YINCHUAN; Wolong Electric Drive Group Co Ltd
Priority date: 2010-10-15
Filing date: 2010-10-15
Publication date: 2011-02-23

Abstract

The invention discloses a quickly-assembled transformer substation, which relates to the technical field of electric transmission and transformation. The conventional transformer substation is constructed as a fixed facility and cannot quickly satisfy urgent power supply needs, and when an electrical environment is changed, the workload of disassembling equipment or increasing the capacity of the equipment is high and investment waste can be caused by plenty of equipment which cannot be reused. The quickly-assembled transformer substation comprises a transformer, a split radiator, a substation power supply room, a medium-voltage room and a central control room, and is characterized in that: the substation power supply room is arranged in a box-type substation power supply module; the medium-voltage room is arranged in a box-type medium-voltage room module; the central control room is arranged in a box-type central control room module; the transformer is connected with a hybrid gas insulated switchgear to form a transformer combined apparatus switch module; and the substation power supply room module, the medium-voltage room module, the central control room module and the transformer combined apparatus switch module are independently arranged and fixed respectively. The technical scheme has the advantages of small floor space, compact structure, less maintenance and high system reliability; and the quickly-assembled transformer substation is convenient to assemble and disassemble.

Description

Ready-package transformer station

Technical field

The present invention relates to the power transmission and transformation technical field, refer to transformer station especially

Background technology

At present, China's 110-220kV electricity substation adopts basically is traditional AIS transformer station, this transformer station has layout complexity, floor space, the construction period is long and the big characteristics of site operation amount, a small amount of transformer station that adopts GIS combined electrical apparatus technology, operational reliability and floor space have bigger improvement, but with high costs, later maintenance is had relatively high expectations.These transformer stations (comprising the transformer station that adopts GIS combined electrical apparatus technology) build by fixation means, if power demands urgently can't be tackled fast, in case power utilization environment changes, equipment remove or the increase-volume workload greatly, can't also can cause the investment waste by reusable equipment in a large number.

Summary of the invention

The technical assignment of the technical problem to be solved in the present invention and proposition is that the prior art scheme is improved and improved, and a kind of ready-package transformer station is provided, and floor space is little to reach, compact conformation, fast assembling and disassembling, maintenance are few, the high purpose of system reliability.For this reason, the present invention takes following technical scheme.

Ready-package transformer station comprises transformer, split type radiator, stands with power supply room, middle pressure chamber, Central Control Room, it is characterized in that: box station is located at in the power supply room module with power supply room in described station; Press the chamber to be located at box middle the pressure in the room module in described; Described Central Control Room is located in the box Central Control Room module; Described transformer is connected with hybrid gas-insulated switchgear (HGIS) and constitutes transformer combination appliance switch module; Described station installs and fixes separately respectively with power module, middle pressure room module, Central Control Room module and transformer combination appliance switch module.Transformer combination appliance switch module, box station are all finished installation in factory with power supply room, box middle chamber, the box Central Control Room module of pressing, and integral device is finished debugging in factory.Transformer station forms module difference whole Transporting to the transformer station scene, the on-the-spot facilities such as turnover bus lead-in rack, ground network, cable trough and Equipment Foundations of only need building in advance, equipment only needs behind the scene each module in place fixing, transformer connects to be connected with control cable plug (seat) etc. to middle pressure and simply is electrically connected, do not need to carry out again secondary cable dial line, to line, do the first-class work of cable, the problem of wrong plug also can not take place, and the on-site installation work amount has dropped to minimum level.The transformer primary side is hung local 110KV, 220KV power network, and secondary side output can connect local with electric unit or distribution substation of subordinate.Closely be connected by the oil gas sleeve pipe between HGIS and the transformer, can separate fast and make up in case of necessity.When power utilization environment changes or power supply stops temporarily, can separate each module fast, for whole unit entrucking transportation, rearrange assembling with the module in new site, enable rapidly.The part modularization of transformer station, more compact structure, fast assembling and disassembling, maintenance are few, the system reliability height.

As the further of technique scheme improved and replenish, the present invention also comprises following additional technical feature.

Described box station all is arranged in independent container-type casing with power supply room module, box middle room module, the box Central Control Room module of pressing, casing is provided with the antitheft door of entering the room, casing collet and structural member are made of channel-section steel and angle steel, and outer body of wall, interior partition, floor and case top are made of steel plate.Box shape size and structural strength can satisfy the integral automobile requirements on transport.

Stand and be divided into several chambers in the casing with the power supply room module, antitheft chamber door is all installed in every chamber, indoor have respectively transformer station with distribution transformer, stand with uprising the cabinet that compresses switch, standing with step-down compress switch cabinet, direct current cabinet and spare unit instrument, the AC and DC power supply and the Anykit Spare Part Tool that can provide substation illumination and equipment to use.

Central Control Room is the central control room of transformer station, and measurement, protection, control and the demonstration of the built-in high pressure of Central Control Room modular tank, middle pressure and transformer station's usefulness power supply and communication, surveillance are used to accept the feedback information of each module and control other module operation.

The middle pressure installed Medium Voltage Switchgear in the room module casing, the switch cubicle inlet wire connects Circuit Fault on Secondary Transformer, and outlet is connected with the outlet of transformer station.

The holding wire of intermodule, control line and power line all adopt the aviation connector to realize on-the-spot assembling fast.The aviation plug that secondary partly uses is one to one, do not need to carry out again secondary cable dial line, to line, do the first-class work of cable, the problem of wrong plug also can not take place, the on-site installation work amount has dropped to minimum level.

Transformer combination appliance switch module comprises high pressure isolation and earthed switch system, circuit breaker, current/voltage transducer, high-voltage arrester and transformer, its mesohigh is isolated and earthed switch system, circuit breaker, current/voltage sensor groups are combined in the hybrid gas-insulated switchgear of formation in the gas closed container, and described hybrid gas-insulated switchgear is connected with bus with the inlet wire of transformer station by bushing; Soak transformer oil in the transformer, the primary side of transformer is connected with hybrid gas-insulated switchgear firmly by the oil gas sleeve pipe, and gland is drawn in the secondary side warp of transformer, is connected by the Medium Voltage Switchgear of cable with middle pressure chamber.Closely be connected by the oil gas sleeve pipe between HGIS and the transformer, can separate fast and make up in case of necessity.

Described transformer connects a split type heat spreader module, and split type heat spreader module comprises fan-cooled radiator, blower fan, oil pump, isolating valve and connect oil pipe that split type heat spreader module and transformer are flexible coupling by the turnover oil pipe.

Transformer station also has good autgmentability, and can expand increases box compensated chamber module and box ground connection change room module.

Beneficial effect: the part modularization of transformer station, more compact structure, floor space is little, and fast assembling and disassembling, maintenance are few, the system reliability height.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is that the A of Fig. 1 is to structural representation.

Among the figure: the 1-transformer; The 2-radiator; 3-house transformer room module; Press room module among the 4-; 5-Central Control Room module; The hybrid gas-insulated switchgear of 6-; 7-oil gas sleeve pipe; The 8-lightning arrester.

Embodiment

Below in conjunction with Figure of description technical scheme of the present invention is described in further detail.

The present invention includes transformer 1, split type radiator 2, stand, stand and be located at box station with in the power supply room module 3 with power supply room with power supply room, middle pressure chamber, Central Control Room; Box middle the pressure in the room module 4 is located in the middle chamber of pressing; Central Control Room is located in the box Central Control Room module 5; Transformer 1 is connected with hybrid gas-insulated switchgear 6(HGIS) formation transformer combination appliance switch module; Stand and install and fix separately respectively with power module 3, middle pressure room module 4, Central Control Room module 5 and transformer combination appliance switch module.Box station all is arranged in independent casing with power supply room module 3, box middle room module 4, the box Central Control Room module 5 of pressing, casing is provided with the antitheft door of entering the room, casing collet and structural member are made of channel-section steel and angle steel, and outer body of wall, interior partition, floor and case top are made of steel plate.

Wherein the station is divided into several chambers with the casing of power supply room module 3, antitheft chamber door is all installed in every chamber, indoor have respectively transformer station with distribution transformer, stand with uprising the cabinet that compresses switch, standing with step-down compress switch cabinet, direct current cabinet and spare unit instrument, the AC and DC power supply and the Anykit Spare Part Tool that can provide substation illumination and equipment to use.

Middle pressure chamber is the central control room of transformer station, and measurement, protection, control and the demonstration of the built-in high pressure of middle pressure room module 4 casings, middle pressure and transformer station's usefulness power supply and communication, surveillance are used to accept the feedback information of each module and control other module operation.

The middle pressure installed Medium Voltage Switchgear in room module 4 casings, the switch cubicle inlet wire connects transformer 1 secondary side, and outlet is connected with the outlet of transformer station.

The holding wire of intermodule, control line and power line all adopt the aviation connector to realize on-the-spot assembling fast.

Transformer combination appliance switch module comprises high pressure isolation and earthed switch system, circuit breaker, current/voltage transducer, high-voltage arrester 8 and transformer 1, its mesohigh is isolated and earthed switch system, circuit breaker, current/voltage transducer are located at the hybrid gas-insulated switchgear 6 of formation in the gas closed container, and hybrid gas-insulated switchgear 6 is connected with bus with the inlet wire of transformer station by bushing; Soak transformer oil in the transformer 1, the primary side of transformer 1 is connected with hybrid gas-insulated switchgear 6 firmly by oil gas sleeve pipe 7, and gland is drawn in the secondary side warp of transformer 1, is connected by the Medium Voltage Switchgear of cable with middle pressure chamber.

Transformer 1 connects split type radiator 2 modules, and split type radiator 2 modules comprise fan-cooled radiator 2, blower fan, oil pump, isolating valve, connection oil pipe, and split type radiator 2 modules and transformer 1 are flexible coupling by the turnover oil pipe.

Also can set up box compensated chamber module and box ground connection becomes room module according to actual power utilization environment transformer station.

Installation process:

1. the as a whole modular unit of transformer 1 and HGIS connects composite test in factory by oil gas sleeve pipe 7;

2. to remove oil conservator and HGIS from transformer 1 body when transformer 1 transports, with convenient transportation;

3. after transporting to the scene, each module is in place respectively to ready-made basis, fixing and with equipment ground;

4. connect circuit and secondary line, can prepare after the on-the-spot test to send.

Claims

1. Quick-mounted substation, including transformer (1), split radiator (2), station power supply room, medium voltage room, and central control room, characterized in that: the station power supply room is set in a box-type station The power supply room module (3); the medium voltage room is set in the box-type medium voltage room module (4); the central control room is set in the box-type central control room module (5); the transformer (1 ) is connected with a hybrid gas insulated switchgear (HGIS) (6) to form a transformer combined electrical switch module; the station power supply room module (3), the medium voltage room module (4), the central control room module (5) and the transformer The combined electrical switch modules are separately installed and fixed.

2. The quick-mounted substation according to claim 1, characterized in that: the box-type substation power supply room module (3), the box-type medium voltage room module (4), and the box-type central control room module (5) They are all located in a separate container-type box. The box is equipped with an anti-theft door for entering the room. The bottom support and structural parts of the box are made of channel steel and angle steel. The structural strength and external dimensions meet the overall automobile transportation requirements.

3. The quick-mounted substation according to claim 2, characterized in that: the box of the power supply room module (3) for the station is divided into several rooms, each room is equipped with an anti-theft room door, and there are power distribution boxes for the substation in each room. Transformers, substation high-voltage switchgear, station low-voltage switchgear, DC panels and spare tools, can provide AC and DC power supplies and spare parts tools for substation lighting and equipment.

4. The quick-mounted substation according to claim 2, characterized in that: the central control room is the central control room of the substation, and the central control room module (4) has built-in high-voltage, medium-voltage and substation power measurement, protection and control. And display and communication, monitoring system, used to receive the feedback information of each module and control the operation of other modules.

5. The quick-mounted substation according to claim 2, characterized in that a medium-voltage switchgear is installed in the medium-voltage chamber module (4), the incoming line of the switchgear is connected to the secondary side of the transformer (1), and the outgoing line is connected to the secondary side of the substation. connected to the outgoing line.

6. The quick-mounted substation according to claim 2, characterized in that: the transformer combined electrical switch module includes a high-voltage isolation and grounding switch system, a circuit breaker, a current and voltage sensor, a high-voltage arrester (8) and a transformer (1), wherein A high-voltage isolation and grounding switch system, a circuit breaker, and a current and voltage sensor are arranged in a gas-enclosed tank to form a hybrid gas-insulated switchgear (6). The high-voltage bushing is connected to the arrester (8); the transformer (1) is immersed in transformer oil, and the primary side of the transformer (1) is connected to the hybrid gas-insulated switchgear (6) through the oil-gas bushing (7) ) is hard-connected, the secondary side of the transformer (1) is led out through the medium-voltage bushing, and is connected with the medium-voltage switchgear in the medium-voltage room by cables.

7. The quick-mounted substation according to claim 6, characterized in that: the transformer (1) is connected to a split radiator (2) module, and the split radiator (2) module includes an air-cooled radiator (2), fans, oil pumps, isolation valves and connecting oil pipes, the split radiator (2) module and transformer (1) are softly connected through inlet and outlet oil pipes.

8. The quick-mounted substation according to any one of claims 1-7, characterized in that: the signal lines, control lines and power lines between the modules all use aviation connectors to realize rapid assembly or disassembly on site.

9. The quick-mounted substation according to claim 8, characterized in that the substation further comprises a box-type compensation room module and a box-type grounded substation module.