CN204144762U - Combined intelligent transformer station - Google Patents

Combined intelligent transformer station Download PDF

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Publication number
CN204144762U
CN204144762U CN201420459752.XU CN201420459752U CN204144762U CN 204144762 U CN204144762 U CN 204144762U CN 201420459752 U CN201420459752 U CN 201420459752U CN 204144762 U CN204144762 U CN 204144762U
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China
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transformer
cabinet
combination
casing
door
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CN201420459752.XU
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李春东
关士深
郭中杰
陈凯
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LIAONING ELECTRIC PROVER DEVELOPMENT Co Ltd
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LIAONING ELECTRIC PROVER DEVELOPMENT Co Ltd
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Abstract

Combined intelligent transformer station belongs to Distribution Automation Technology field, particularly relates to a kind of combined intelligent transformer station.The utility model provides a kind of safe and reliable, combined intelligent transformer station that the time of building a station is short.The utility model adopts following technical scheme, the utility model comprises the combination of transformer heat radiation box, transformer-cabinet, GIS combined electrical apparatus casing, 10kV switchgear cabinet, 10kV reactive power compensation box body and secondary and controls casing, the combination of its structural feature transformer heat radiation box, transformer-cabinet, 10kV switchgear cabinet, 10kV reactive power compensation box body, secondary controls casing and to join end to end successively setting, and GIS combined electrical apparatus casing is placed in the upper end of 10kV switchgear cabinet.

Description

Combined intelligent transformer station
Technical field
The utility model belongs to Distribution Automation Technology field, particularly relates to a kind of combined intelligent transformer station.
Background technology
The development in city directly causes network load constantly to increase, for reducing the radius of electricity supply of transformer station, improve the reliability of its economy operation of power grid and power supply, substation site selection is then to go deep into load center, be becoming tight urban land resource day and the requirement of Urban landscapeplanning, need a kind of highly reliable, fail safe is high, time of building a station is short, and environmental protection and the few transformer station of floor space solve.
Summary of the invention
The utility model is exactly for the problems referred to above, provides a kind of safe and reliable, combined intelligent transformer station that the time of building a station is short.
For achieving the above object, the utility model adopts following technical scheme, the utility model comprises the combination of transformer heat radiation box, transformer-cabinet, GIS combination electric appliance casing, 10kV switchgear cabinet, 10kV reactive power compensation box body and secondary and controls casing, the combination of its structural feature transformer heat radiation box, transformer-cabinet, 10kV switchgear cabinet, 10kV reactive power compensation box body, secondary controls casing and to join end to end successively setting, and GIS combination electric appliance casing is placed in the upper end of 10kV switchgear cabinet.
As a kind of preferred version, in transformer-cabinet described in the utility model, be provided with transformer; GIS combination electric appliance is provided with in GIS combination electric appliance casing; Be provided with 10kV switch cubicle and 10kV single-phase earthing arc extinction cabinet in 10kV switchgear cabinet, 10kV switch cubicle is arranged on 10kV single-phase earthing arc extinction cabinet upper end; Be provided with 10kV reactive compensation cabinet in 10kV reactive power compensation box body, secondary combination controls to be provided with secondary combination control flow in casing.
The incoming line of described GIS combination electric appliance is connected with inlet wire cable, the line outlet of GIS combination electric appliance is connected with the high pressure end of incoming cables of transformer by the first connection cable, the low-pressure line-outgoing end of transformer is connected with 10kV switch cubicle end of incoming cables by the second connection cable, and 10kV switch cubicle feeder line end is connected with 10kV reactive compensation cabinet end of incoming cables by the 3rd connection cable.
As another kind of preferred version, transformer-cabinet described in the utility model comprises upper box and lower box, upper box lower end is connected by securing member with lower box upper end, the sidewall paneling of transformer-cabinet and door-plate all adopt between double-level-metal plate and arrange fire protection flame retarding Rotating fields, be connected by section bar column between sidewall paneling with door-plate, front end face and the side end face of the link slot of section bar column and door-plate link are provided with sealing strip; The sidewall of transformer-cabinet and transformer heat radiation box is provided with exhaust outlet, and exhaust outlet place is provided with ventilating fan.
As another kind of preferred version, transformer tank external surface described in the utility model is provided with white paint layer, and transformer-cabinet inner surface is provided with pitch-dark layer; Exhaust outlet on described transformer tank body sidewall is four, and four exhaust outlets are symmetricly set on two long sidewalls of lower box; Transformer tank body wall outside described ventilating fan and transformer heat dissipation tank body wall are provided with the outdoor ventilation window with screen pack; Described transformer heat radiation box inwall is provided with air-conditioning and temperature sensor, and transformer heat radiation box outer wall is provided with air-conditioner outdoor unit corresponding to air-conditioning.
As another kind of preferred version, air-conditioning is provided with in transformer heat radiation box described in the utility model, ventilating fan control device, control device comprises logic control part, contactor control section and airconditioning control part, the signal input port of logic control part is connected with described temperature sensor signal output port, the control signal output port of logic control part respectively with the control signal input port of contactor control section, the control signal input port of airconditioning control part is connected, the power input port of airconditioning control part, the power input port of contactor control section is all connected with three phase mains, the control signal output port of airconditioning control part is connected with the control signal input port of air-conditioning, the control signal output port of contactor control section is connected with the control signal output port of ventilating fan.
When described transformer tank temperature reaches 35 degree, the contactor of logic control part starting contactor control section closes, and starts ventilating fan work; When the working temperature of transformer reaches 30 degree, the contactor of logic control part control contactor divides, and ventilating fan is shut down.
When transformer tank temperature reaches 40 degree, exhaust fan stop working, logic control part starts air-conditioning, is lowered the temperature to transformer by air-conditioning, and when the working temperature of transformer-cabinet reaches 35 degree, air-conditioning is shut down, by ventilating fan air draft; Described transformer adopts SFZ9-20000/110 transformer, and transformer base and junction, transformer-cabinet bottom surface are provided with Rubber shock-absorbing pad.
As another kind of preferred version, GIS combination electric appliance described in the utility model is arranged in the middle part of GIS combination electric appliance casing, is provided with RTQH-60 type SF6 gas specific equipment on front side of GIS combination electric appliance casing length direction nose width direction; In GIS combination electric appliance casing length direction anterior on front side of Width to length direction rear end, then turn through Width be provided with C shape maintenance channel on rear side of length direction rear portion width direction.
As another kind of preferred version, the sidewall paneling of 10kV switchgear cabinet described in the utility model and door-plate all adopt between double-level-metal plate and arrange fire protection flame retarding Rotating fields, be connected by section bar column between sidewall paneling with door-plate, front end face and the side end face of the link slot of section bar column and door-plate link are provided with sealing strip; 10kV switch cubicle is arranged on the rear side of the middle part Width of the length direction of 10kV switchgear cabinet, in 10kV switchgear cabinet on rear side of length direction nose width direction on front side of length direction, Width to length direction rear end, then on rear side of Width to Width, be provided with Qian shape maintenance channel again; The door-plate of described 10kV switchgear cabinet is arranged on front side of the Width of 10kV switchgear cabinet length direction rear end, and the inner outer end of door-plate is provided with 70 fire engine access locks; Described 10kV switch cubicle adopts fixed switching cabinet.
As another kind of preferred version, 10kV single-phase earthing arc extinction cabinet described in the utility model comprises JDBH-10 type earthing wire-selecting, phase selection device, JDBH-10 type earthing wire-selecting, phase selection device Real-time Collection substation busbars phase, line voltage, residual voltage, the modular angle of residual voltage and line voltage change judgement system with or without single phase ground fault and ground connection separate, when there is single phase ground fault, control corresponding separate single-phase circuit breaker K1, K2, K3 rapid closing, after corresponding separate breaker closing, force fault phase equipotential over the ground, extinguish ground arc; When ground property is intermittent ground connection, change the ground connection of unstable state into stable metal ground connection.
After single-phase circuit breaker closes a floodgate, through setting-up time time delay, enabling signal generator, 220HZ voltage to frequency is injected by the main secondary coil W3 of Low ESR transformer be connected with signal generator, the Low ESR transformer primary winding W1 be connected with single-phase circuit breaker K1, K2, K3 produces earth current, JDBH-10 type earthing wire-selecting, phase selection device gather voltage and the current signal of the secondary secondary coil W2 feedback of Low ESR transformer, isolate the 220HZ frequency signal wherein injected; When impedance ground returns to the normal status value of setting, differentiate that earth fault disappears, JDBH-10 type earthing wire-selecting, phase selection device control single-phase circuit breaker K1, K2, K3 separating brake, single phase ground fault involution.
If earth fault fails to recover for a long time, the fault loop selected along earthing wire-selecting by TXDW-100 type hand-hold type signal receiving device is maked an inspection tour; When hand-hold type signal receiving device signal gradually grow time, earth point nearby, display Received signal strength by when dying down by force, be fault point, complete single phase ground fault location.
Secondly, 10kV reactive compensation cabinet described in the utility model comprises DRQK-10/400 type capacitance and reactance modulation switch, the first input end mouth of capacitance and reactance modulation switch is connected with reactor 2/3 tap, second input port of capacitance and reactance modulation switch is connected with reactor 1/3 tap, 3rd input port of capacitance and reactance modulation switch is connected with reactor one termination, and another termination of reactor is connected with described 10kV reactive compensation cabinet end of incoming cables by current transformer, single-phase circuit breaker, isolating switch successively; First output port of capacitance and reactance modulation switch is connected with first lightning arrester one end, first fuse one end, first resistance one end, first discharge coil one end respectively, first lightning arrester other end ground connection, the first fuse other end is connected with first electric capacity one end, and the first resistance other end is connected with second electric capacity one end; Second output port of capacitance and reactance modulation switch is connected with second lightning arrester one end, second fuse one end, second resistance one end, second discharge coil one end respectively, second lightning arrester other end ground connection, the second fuse other end is connected with the 3rd electric capacity one end, and the second resistance other end is connected with the 4th electric capacity one end; The described first electric capacity other end, the second electric capacity other end, the 3rd electric capacity other end, the 4th electric capacity other end, the first discharge coil other end, the second discharge coil other end are all connected with ground wire, described second resistance and the 4th electric capacity be combined as many groups; The ratio that capacity and the second fuse, the second resistance, the second discharge coil, the 3rd electric capacity, the 4th electric capacity of described first fuse, the first resistance, the first discharge coil, the first electric capacity, the second electric capacity composition parallel circuits form the capacity of parallel circuits is 1:2.
In addition, the sidewall paneling of secondary combination control casing described in the utility model and door-plate all adopt between double-level-metal plate and arrange fire protection flame retarding Rotating fields, be connected by section bar column between sidewall paneling with door-plate, front end face and the side end face of the link slot of section bar column and door-plate link are provided with sealing strip; The sidewall of secondary combination control casing is provided with exhaust outlet, and exhaust outlet place is provided with ventilating fan; The door-plate that described secondary combination controls casing is arranged on front side of the Width of secondary combination rear end, control cabinet body length direction, and the inner outer end of door-plate is provided with 70 fire engine access locks; Described secondary combination control flow adopts dually arrayed, two row secondary combination control flows are symmetricly set on front side, the rear side that secondary combination controls casing insied width direction, between two row secondary combination control flows, secondary combination control cabinet body length direction are provided with the rectangle maintenance channel that the combination of through secondary controls casing.
The utility model beneficial effect.
The utility model combines pressing electric equipment and mutual connection and linear quadratic control equipment thereof in transformer, GIS high-voltage combined electrical apparatus, 10kV, and different with components and parts by main electrical scheme, centralized arrangement is in several casing in a certain way.Having the cycle of building a station short, the features such as security reliability is high, appearance looks elegant, change the construction mode of traditional transformer station completely, is a kind of desirable Novel transformer substation pattern.
The utility model is convenient to on-the-spot installment and debugging, most job placement in the design of specialized factory with machine, shortens the cycle that electric substation installs.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection range is not only confined to the statement of following content.
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model wiring schematic diagram.
Fig. 3 is the utility model transformer box body structure schematic diagram.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 the utility model ventilating fan structure schematic diagram.
Fig. 6 is the utility model casing endothecium structure schematic diagram.
Fig. 7 is the utility model transformer heat radiation box structural representation.
Fig. 8 is the utility model air-conditioning, ventilating fan control device schematic block circuit diagram.
Fig. 9 is the utility model GIS combination electric appliance body structure schematic diagram.
Figure 10 is the vertical view of Fig. 9.
Figure 11 is the utility model 10kV switchgear cabinet structural representation.
Figure 12 is the vertical view of Figure 11.
Figure 13 is the utility model 10kV single-phase earthing arc extinction cabinet circuit theory diagrams.
Figure 14 is the utility model 10kV reactive compensation cabinet circuit theory diagrams.
Figure 15 is the utility model 10kV reactive compensation cabinet structural representation.
Figure 16 is that the combination of the utility model secondary controls casing structure schematic diagram.
Figure 17 is the vertical view of Figure 16.
In figure, 1 is transformer heat radiation box, 2 is transformer-cabinet, 3 is transformer, 4 is GIS combination electric appliance, 5 is 10kV switch cubicle, 6 is GIS combination electric appliance casing, 7 is inlet wire cable, 8 is 10kV reactive compensation cabinet, 9 is 10kV reactive power compensation box body, 10 is secondary combination control casing, 11 is secondary combination control flow, 12 is the 3rd connection cable, 13 is 10kV switchgear cabinet, 14 is 10kV single-phase earthing arc extinction cabinet, 15 is the second connection cable, 16 is lower box, 17 is upper box, 18 is ventilating fan, 19 is fire protection flame retarding layer, 20 is door-plate, 21 is sealing strip, 22 is section bar column, 23 is sidewall paneling, 24 is transformer heat radiation box base, 25 is screen pack, 26 is temperature sensor, 27 is air-conditioning, 28 is air-conditioner outdoor unit, 29 is outdoor ventilation window, 30 is SF6 gas specific equipment, 31 is C shape maintenance channel, 32 is Qian shape maintenance channel, 33 is earthing wire-selecting, phase selection device, 34 is rectangle maintenance channel.
Embodiment
As shown in the figure, the utility model comprises the combination of transformer heat radiation box, transformer-cabinet, GIS combination electric appliance casing, 10kV switchgear cabinet, 10kV reactive power compensation box body and secondary and controls casing, the combination of its structural feature transformer heat radiation box, transformer-cabinet, 10kV switchgear cabinet, 10kV reactive power compensation box body, secondary controls casing and to join end to end successively setting, and GIS combination electric appliance casing is placed in the upper end of 10kV switchgear cabinet.
Transformer is provided with in described transformer-cabinet; GIS combination electric appliance is provided with in GIS combination electric appliance casing; Be provided with 10kV switch cubicle and 10kV single-phase earthing arc extinction cabinet in 10kV switchgear cabinet, 10kV switch cubicle is arranged on 10kV single-phase earthing arc extinction cabinet upper end; Be provided with 10kV reactive compensation cabinet in 10kV reactive power compensation box body, secondary combination controls to be provided with secondary combination control flow in casing.
The incoming line of described GIS combination electric appliance is connected with inlet wire cable, the line outlet of GIS combination electric appliance is connected with the high pressure end of incoming cables of transformer by the first connection cable, the low-pressure line-outgoing end of transformer is connected with 10kV switch cubicle end of incoming cables by the second connection cable, and 10kV switch cubicle feeder line end is connected with 10kV reactive compensation cabinet end of incoming cables by the 3rd connection cable.
Described transformer-cabinet comprises upper box and lower box, upper box lower end is connected by securing member with lower box upper end, the sidewall paneling of transformer-cabinet and door-plate all adopt between double-level-metal plate and arrange fire protection flame retarding Rotating fields, be connected by section bar column between sidewall paneling with door-plate, front end face and the side end face of the link slot of section bar column and door-plate link are provided with sealing strip; The sidewall of transformer-cabinet and transformer heat radiation box is provided with exhaust outlet, and exhaust outlet place is provided with ventilating fan.Transformer-cabinet is made up of upper and lower two parts, is convenient to transport and installs.
Described transformer tank external surface is provided with white paint layer, and transformer-cabinet inner surface is provided with pitch-dark layer; Exhaust outlet on described transformer tank body sidewall is four, and four exhaust outlets are symmetricly set on two long sidewalls of lower box; Transformer tank body wall outside described ventilating fan and transformer heat dissipation tank body wall are provided with the outdoor ventilation window with screen pack; Described transformer heat radiation box inwall is provided with air-conditioning and temperature sensor, and transformer heat radiation box outer wall is provided with air-conditioner outdoor unit corresponding to air-conditioning.In order to reduce the outer radiation coefficient in the face of sunlight of casing, the outer surface of casing adopts white, and in order to prevent fires and heat insulation requirement, the door-plate of casing adopts between double-level-metal plate and adds applied fireproofing, prevent the acute variation of temperature in casing, and effectively suppress the generation of the condensation in casing.In order to improve transformer radiating efficiency in casing, scribbling at box house pitch-dark, when transformer works, being coated in the heat of the pitch-dark absorption transformer in casing, and being discharged by box outer surface.
Air-conditioning is provided with in described transformer heat radiation box, ventilating fan control device, control device comprises logic control part, contactor control section and airconditioning control part, the signal input port of logic control part is connected with described temperature sensor signal output port, the control signal output port of logic control part respectively with the control signal input port of contactor control section, the control signal input port of airconditioning control part is connected, the power input port of airconditioning control part, the power input port of contactor control section is all connected with three phase mains, the control signal output port of airconditioning control part is connected with the control signal input port of air-conditioning, the control signal output port of contactor control section is connected with the control signal output port of ventilating fan.
When described transformer tank temperature reaches 35 degree, the contactor of logic control part starting contactor control section closes, and starts ventilating fan work; When the working temperature of transformer reaches 30 degree, the contactor of logic control part control contactor divides, and ventilating fan is shut down.
When transformer tank temperature reaches 40 degree, exhaust fan stop working, logic control part starts air-conditioning, is lowered the temperature to transformer by air-conditioning, and when the working temperature of transformer-cabinet reaches 35 degree, air-conditioning is shut down, by ventilating fan air draft; Described transformer adopts SFZ9-20000/110 transformer, and transformer base and junction, transformer-cabinet bottom surface are provided with Rubber shock-absorbing pad.The transformer heat radiation box that the heat radiation of transformer is connected with side mainly through transformer-cabinet has come.
In order to reduce noise and the temperature rise of the operation of transformer, there is transformer Rubber shock-absorbing pad in the mounting seat of transformer and the junction of casing.
Described GIS combination electric appliance is arranged in the middle part of GIS combination electric appliance casing, is provided with RTQH-60 type SF6 gas specific equipment on front side of GIS combination electric appliance casing length direction nose width direction; In GIS combination electric appliance casing length direction anterior on front side of Width to length direction rear end, then turn through Width be provided with C shape maintenance channel on rear side of length direction rear portion width direction.
The sidewall paneling of described 10kV switchgear cabinet and door-plate all adopt between double-level-metal plate and arrange fire protection flame retarding Rotating fields, be connected by section bar column between sidewall paneling with door-plate, front end face and the side end face of the link slot of section bar column and door-plate link are provided with sealing strip; 10kV switch cubicle is arranged on the rear side of the middle part Width of the length direction of 10kV switchgear cabinet, in 10kV switchgear cabinet on rear side of length direction nose width direction on front side of length direction, Width to length direction rear end, then on rear side of Width to Width, be provided with Qian shape maintenance channel again; The door-plate of described 10kV switchgear cabinet is arranged on front side of the Width of 10kV switchgear cabinet length direction rear end, and the inner outer end of door-plate is provided with 70 fire engine access locks; Described 10kV switch cubicle adopts fixed switching cabinet.When outlet special circumstances, the people inside casing operates 70 fire engine access locks, and door is opened automatically.In addition, switch cubicle adopts fixed switching cabinet, non-maintaining.
Described 10kV single-phase earthing arc extinction cabinet comprises JDBH-10 type earthing wire-selecting, phase selection device, JDBH-10 type earthing wire-selecting, phase selection device Real-time Collection substation busbars phase, line voltage, residual voltage, the modular angle of residual voltage and line voltage change judgement system with or without single phase ground fault and ground connection separate, when there is single phase ground fault, control corresponding separate single-phase circuit breaker K1, K2, K3 rapid closing, after corresponding separate breaker closing, force fault phase equipotential over the ground, extinguish ground arc; When ground property is intermittent ground connection, change the ground connection of unstable state into stable metal ground connection.
After single-phase circuit breaker closes a floodgate, through setting-up time time delay, enabling signal generator, 220HZ voltage to frequency is injected by the main secondary coil W3 of Low ESR transformer be connected with signal generator, the Low ESR transformer primary winding W1 be connected with single-phase circuit breaker K1, K2, K3 produces earth current, JDBH-10 type earthing wire-selecting, phase selection device gather voltage and the current signal of the secondary secondary coil W2 feedback of Low ESR transformer, isolate the 220HZ frequency signal wherein injected; When impedance ground returns to the normal status value of setting, differentiate that earth fault disappears, JDBH-10 type earthing wire-selecting, phase selection device control single-phase circuit breaker K1, K2, K3 separating brake, single phase ground fault involution.
If earth fault fails to recover for a long time, the fault loop selected along earthing wire-selecting by TXDW-100 type hand-hold type signal receiving device is maked an inspection tour; When hand-hold type signal receiving device signal gradually grow time, earth point nearby, display Received signal strength by when dying down by force, be fault point, complete single phase ground fault location.
The utility model adopts one-phase ground protection; realizing the automatic resetting when there is single phase ground fault, earth fault being carried out mutually to single-phase earthing extinguishing arc module when fault location in protection situation and fault inspecting disappear, solving the ground connection phase selection of small current neutral grounding system existence, route selection, localization of fault precision and under-sensitive problem.
The utility model, after corresponding separate breaker closing, forces fault phase equipotential over the ground, realizes extinguishing ground arc, provides available protecting simultaneously, avoid personal injury accident to occur to human body electrification.When ground property is intermittent ground connection, this device can change the ground connection of unstable state into stable metal ground connection, avoids intermittent superpotential generation.
The utility model injects 220HZ frequency signal, the integral multiple of non-rated frequency, is convenient to Signal analysis and prevents signal disturbing.
Described 10kV reactive compensation cabinet comprises DRQK-10/400 type capacitance and reactance modulation switch, the first input end mouth of capacitance and reactance modulation switch is connected with reactor 2/3 tap, second input port of capacitance and reactance modulation switch is connected with reactor 1/3 tap, 3rd input port of capacitance and reactance modulation switch is connected with reactor one termination, and another termination of reactor is connected with described 10kV reactive compensation cabinet end of incoming cables by current transformer, single-phase circuit breaker, isolating switch successively; First output port of capacitance and reactance modulation switch is connected with first lightning arrester one end, first fuse one end, first resistance one end, first discharge coil one end respectively, first lightning arrester other end ground connection, the first fuse other end is connected with first electric capacity one end, and the first resistance other end is connected with second electric capacity one end; Second output port of capacitance and reactance modulation switch is connected with second lightning arrester one end, second fuse one end, second resistance one end, second discharge coil one end respectively, second lightning arrester other end ground connection, the second fuse other end is connected with the 3rd electric capacity one end, and the second resistance other end is connected with the 4th electric capacity one end; The described first electric capacity other end, the second electric capacity other end, the 3rd electric capacity other end, the 4th electric capacity other end, the first discharge coil other end, the second discharge coil other end are all connected with ground wire, described second resistance and the 4th electric capacity be combined as many groups; The ratio that capacity and the second fuse, the second resistance, the second discharge coil, the 3rd electric capacity, the 4th electric capacity of described first fuse, the first resistance, the first discharge coil, the first electric capacity, the second electric capacity composition parallel circuits form the capacity of parallel circuits is 1:2.
The utility model reactive compensation cabinet gathers 10kV side and goes out line current, 10kV bus voltage signal, calculates reactive power in real time.Capacitor divides into groups according to the capacity of 1:2, is connected the grouping step compensation that can form 3 group capacitor groups by synchronous capacitance and reactance modulation switch with the reactor with 1/3,2/3,3/3 tap.Zero passage switch adopt single-phase circuit breaker, realize Capacitor banks no-flashy-flow and without overvoltage switching.Discharge coil is connected in parallel on the two ends of capacitor, and as discharge resistance and the voltage measurement of capacitor, lightning arrester prevents overvoltage protection.
The sidewall paneling of described secondary combination control casing and door-plate all adopt between double-level-metal plate and arrange fire protection flame retarding Rotating fields, be connected by section bar column between sidewall paneling with door-plate, front end face and the side end face of the link slot of section bar column and door-plate link are provided with sealing strip; The sidewall of secondary combination control casing is provided with exhaust outlet, and exhaust outlet place is provided with ventilating fan; The door-plate that described secondary combination controls casing is arranged on front side of the Width of secondary combination rear end, control cabinet body length direction, and the inner outer end of door-plate is provided with 70 fire engine access locks; Described secondary combination control flow adopts dually arrayed, two row secondary combination control flows are symmetricly set on front side, the rear side that secondary combination controls casing insied width direction, between two row secondary combination control flows, secondary combination control cabinet body length direction are provided with the rectangle maintenance channel that the combination of through secondary controls casing.In casing, control flow adopts dually arrayed, is convenient to make an inspection tour and maintenance.
Be understandable that, above about specific descriptions of the present utility model, the technical scheme described by the utility model embodiment is only not limited to for illustration of the utility model, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, to reach identical technique effect; Needs are used, all within protection range of the present utility model as long as meet.

Claims (9)

1. combined intelligent transformer station, comprise the combination of transformer heat radiation box, transformer-cabinet, GIS combination electric appliance casing, 10kV switchgear cabinet, 10kV reactive power compensation box body and secondary and control casing, it is characterized in that the combination of transformer heat radiation box, transformer-cabinet, 10kV switchgear cabinet, 10kV reactive power compensation box body, secondary controls casing and to join end to end successively setting, GIS combination electric appliance casing is placed in the upper end of 10kV switchgear cabinet.
2. according to claim 1, combined intelligent transformer station, is characterized in that being provided with transformer in described transformer-cabinet; GIS combination electric appliance is provided with in GIS combination electric appliance casing; Be provided with 10kV switch cubicle and 10kV single-phase earthing arc extinction cabinet in 10kV switchgear cabinet, 10kV switch cubicle is arranged on 10kV single-phase earthing arc extinction cabinet upper end; Be provided with 10kV reactive compensation cabinet in 10kV reactive power compensation box body, secondary combination controls to be provided with secondary combination control flow in casing;
the incoming line of described GIS combination electric appliance is connected with inlet wire cable, the line outlet of GIS combination electric appliance is connected with the high pressure end of incoming cables of transformer by the first connection cable, the low-pressure line-outgoing end of transformer is connected with 10kV switch cubicle end of incoming cables by the second connection cable, and 10kV switch cubicle feeder line end is connected with 10kV reactive compensation cabinet end of incoming cables by the 3rd connection cable.
3. combined intelligent transformer station according to claim 1, it is characterized in that described transformer-cabinet comprises upper box and lower box, upper box lower end is connected by securing member with lower box upper end, the sidewall paneling of transformer-cabinet and door-plate all adopt between double-level-metal plate and arrange fire protection flame retarding Rotating fields, be connected by section bar column between sidewall paneling with door-plate, front end face and the side end face of the link slot of section bar column and door-plate link are provided with sealing strip; The sidewall of transformer-cabinet and transformer heat radiation box is provided with exhaust outlet, and exhaust outlet place is provided with ventilating fan.
4. combined intelligent transformer station according to claim 3, it is characterized in that described transformer tank external surface is provided with white paint layer, transformer-cabinet inner surface is provided with pitch-dark layer; Exhaust outlet on described transformer tank body sidewall is four, and four exhaust outlets are symmetricly set on two long sidewalls of lower box; Transformer tank body wall outside described ventilating fan and transformer heat dissipation tank body wall are provided with the outdoor ventilation window with screen pack; Described transformer heat radiation box inwall is provided with air-conditioning and temperature sensor, and transformer heat radiation box outer wall is provided with air-conditioner outdoor unit corresponding to air-conditioning.
5. combined intelligent transformer station according to claim 4, it is characterized in that being provided with air-conditioning in described transformer heat radiation box, ventilating fan control device, control device comprises logic control part, contactor control section and airconditioning control part, the signal input port of logic control part is connected with described temperature sensor signal output port, the control signal output port of logic control part respectively with the control signal input port of contactor control section, the control signal input port of airconditioning control part is connected, the power input port of airconditioning control part, the power input port of contactor control section is all connected with three phase mains, the control signal output port of airconditioning control part is connected with the control signal input port of air-conditioning, the control signal output port of contactor control section is connected with the control signal output port of ventilating fan, described transformer adopts SFZ9-20000/110 transformer, and transformer base and junction, transformer-cabinet bottom surface are provided with Rubber shock-absorbing pad.
6. according to claim 1, combined intelligent transformer station, is characterized in that described GIS combination electric appliance is arranged in the middle part of GIS combination electric appliance casing, is provided with RTQH-60 type SF6 gas specific equipment on front side of GIS combination electric appliance casing length direction nose width direction; In GIS combination electric appliance casing length direction anterior on front side of Width to length direction rear end, then turn through Width be provided with C shape maintenance channel on rear side of length direction rear portion width direction.
7. combined intelligent transformer station according to claim 1, it is characterized in that the sidewall paneling of described 10kV switchgear cabinet and door-plate all adopt between double-level-metal plate and fire protection flame retarding Rotating fields is set, be connected by section bar column between sidewall paneling with door-plate, front end face and the side end face of the link slot of section bar column and door-plate link are provided with sealing strip; 10kV switch cubicle is arranged on the rear side of the middle part Width of the length direction of 10kV switchgear cabinet, in 10kV switchgear cabinet on rear side of length direction nose width direction on front side of length direction, Width to length direction rear end, then on rear side of Width to Width, be provided with Qian shape maintenance channel again; The door-plate of described 10kV switchgear cabinet is arranged on front side of the Width of 10kV switchgear cabinet length direction rear end, and the inner outer end of door-plate is provided with 70 fire engine access locks; Described 10kV switch cubicle adopts fixed switching cabinet.
8. combined intelligent transformer station according to claim 1, it is characterized in that described 10kV reactive compensation cabinet comprises DRQK-10/400 type capacitance and reactance modulation switch, the first input end mouth of capacitance and reactance modulation switch is connected with reactor 2/3 tap, second input port of capacitance and reactance modulation switch is connected with reactor 1/3 tap, 3rd input port of capacitance and reactance modulation switch is connected with reactor one termination, and another termination of reactor is connected with described 10kV reactive compensation cabinet end of incoming cables by current transformer, single-phase circuit breaker, isolating switch successively; First output port of capacitance and reactance modulation switch is connected with first lightning arrester one end, first fuse one end, first resistance one end, first discharge coil one end respectively, first lightning arrester other end ground connection, the first fuse other end is connected with first electric capacity one end, and the first resistance other end is connected with second electric capacity one end; Second output port of capacitance and reactance modulation switch is connected with second lightning arrester one end, second fuse one end, second resistance one end, second discharge coil one end respectively, second lightning arrester other end ground connection, the second fuse other end is connected with the 3rd electric capacity one end, and the second resistance other end is connected with the 4th electric capacity one end; The described first electric capacity other end, the second electric capacity other end, the 3rd electric capacity other end, the 4th electric capacity other end, the first discharge coil other end, the second discharge coil other end are all connected with ground wire, described second resistance and the 4th electric capacity be combined as many groups; The ratio that capacity and the second fuse, the second resistance, the second discharge coil, the 3rd electric capacity, the 4th electric capacity of described first fuse, the first resistance, the first discharge coil, the first electric capacity, the second electric capacity composition parallel circuits form the capacity of parallel circuits is 1:2.
9. combined intelligent transformer station according to claim 1, it is characterized in that the combination of described secondary controls the sidewall paneling of casing and door-plate and all adopts between double-level-metal plate and arrange fire protection flame retarding Rotating fields, be connected by section bar column between sidewall paneling with door-plate, front end face and the side end face of the link slot of section bar column and door-plate link are provided with sealing strip; The sidewall of secondary combination control casing is provided with exhaust outlet, and exhaust outlet place is provided with ventilating fan; The door-plate that described secondary combination controls casing is arranged on front side of the Width of secondary combination rear end, control cabinet body length direction, and the inner outer end of door-plate is provided with 70 fire engine access locks; Described secondary combination control flow adopts dually arrayed, two row secondary combination control flows are symmetricly set on front side, the rear side that secondary combination controls casing insied width direction, between two row secondary combination control flows, secondary combination control cabinet body length direction are provided with the rectangle maintenance channel that the combination of through secondary controls casing.
CN201420459752.XU 2014-08-15 2014-08-15 Combined intelligent transformer station Active CN204144762U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104124632A (en) * 2014-08-15 2014-10-29 辽宁电能发展股份有限公司 Combined intelligent substation
CN104600613A (en) * 2015-02-27 2015-05-06 国网辽宁省电力有限公司盘锦供电公司 Annular radial GIS (gas insulated switchgear) transformer substation structure arrangement
CN104600612A (en) * 2015-02-27 2015-05-06 国网辽宁省电力有限公司盘锦供电公司 Square radial GIS (gas insulated switchgear) transformer substation structure arrangement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104124632A (en) * 2014-08-15 2014-10-29 辽宁电能发展股份有限公司 Combined intelligent substation
CN104124632B (en) * 2014-08-15 2016-05-18 辽宁电能发展股份有限公司 Combined intelligent transformer station
CN104600613A (en) * 2015-02-27 2015-05-06 国网辽宁省电力有限公司盘锦供电公司 Annular radial GIS (gas insulated switchgear) transformer substation structure arrangement
CN104600612A (en) * 2015-02-27 2015-05-06 国网辽宁省电力有限公司盘锦供电公司 Square radial GIS (gas insulated switchgear) transformer substation structure arrangement
CN104600613B (en) * 2015-02-27 2017-01-11 国网辽宁省电力有限公司盘锦供电公司 Annular radial GIS (gas insulated switchgear) transformer substation structure arrangement

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