CN205509285U - Automatic intelligent control cabinet that generates electricity of hydro -power generating units - Google Patents
Automatic intelligent control cabinet that generates electricity of hydro -power generating units Download PDFInfo
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- CN205509285U CN205509285U CN201620264974.5U CN201620264974U CN205509285U CN 205509285 U CN205509285 U CN 205509285U CN 201620264974 U CN201620264974 U CN 201620264974U CN 205509285 U CN205509285 U CN 205509285U
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Abstract
The utility model discloses an automatic intelligent control cabinet that generates electricity of hydro -power generating units, its characterized in that: this intelligent control cabinet includes the secondary equipment district and primary equipment district of mutual isolation, and secondary equipment position in the the first part of on the cabinet body upper portion of intelligent control cabinet wherein, and be equipped with corresponding preceding (1) to the doorstep in district with secondary equipment on the cabinet body is equipped with secondary trough (29) that extend to bottom the cabinet body and be used for storing interconnecting link in the below in secondary equipment district, the primary equipment position is equipped with respectively on the cabinet body and distinguishes corresponding preceding xiamen (7), back (11) and back xiamen (12) to the doorstep with primary equipment in the rear and the below in secondary equipment district. The utility model discloses a set up non -interfering primary equipment district and secondary equipment district, improved the system the interference killing feature, guarantee that the operation reliably and simplified the wiring, saved the investment, and the door, shutter, the radiator fan that correspond the setting respectively make this intelligent control cabinet overhaul the convenience, the heat dissipation is high -efficient.
Description
Technical field
This utility model relates to the full-automatic technical field of power generation of low pressure Hydropower Unit, and a kind of equipment that solves interferes the Hydropower Unit automatic generation Intelligent control cabinet of problem and easy access.
Background technology
At present, most domestic electric pressure is the technical scheme that the Hydropower Unit of AC400V continues to use the eighties in last century, and water turbine governing uses steering wheel, operations staff's manual rotation steering wheel control guide vane opening thus control the rotating speed of the hydraulic turbine；The mode that adjustment of field excitation uses adjustable resistance to control Trigger Angle realizes；Simultaneous interconnecting realizes by observing bulb or electromagnetic mechanical synchronous meter closing by hand.Under this mode, it is desirable to the attention high concentration of operations staff, and need higher experience level；It addition, this scheme is due to entirely operations staff's manual operation, safety is the highest, and when grid-connected, the impact to unit may be bigger.
In recent years, domestic electric pressure is that the Hydropower Unit of AC400V undergoes technological transformation successively, and major part uses the scheme of high pressure unit, and this scheme can realize the Automated condtrol of unit, but cost is the highest；Part uses being combined into one of the equipment screens such as excitation controlling device, microcomputer protecting device, control device and thermometric to realize the Automated condtrol of unit; system needs the interface realizing many equipment and communicates; add the complexity of system; operation maintenance inconvenience, the multiple equipment in relatively costly and control equipment interfere.
Summary of the invention
The purpose of this utility model is the problem existed for prior art, it is provided that a kind of equipment that solves interferes the Hydropower Unit automatic generation Intelligent control cabinet of problem and easy access；This Intelligent control cabinet is suitable for the Hydropower Unit of the Highgrade integration of the automatic generation of the Hydropower Unit that electric pressure is AC400V.
The purpose of this utility model solves by the following technical programs:
A kind of Hydropower Unit automatic generation Intelligent control cabinet, it is characterized in that: this Intelligent control cabinet includes mutually isolated secondary device district and primary equipment district, wherein secondary device district is positioned at the first half on cabinet top of Intelligent control cabinet, and be provided with on cabinet corresponding with secondary device district before visit, be provided with in the lower section in secondary device district and extend to bottom of cabinet bulk and for storing the secondary trough of connection line；Primary equipment district is positioned at rear and the lower section in secondary device district, cabinet is respectively equipped with the front Xiamen corresponding with primary equipment district, after visit and rear Xiamen.
From top to bottom be sequentially provided with in secondary device district Switching Power Supply and auxiliary reclay installation position, circuit controls switch installation position, to external wiring terminal, Switching Power Supply and auxiliary reclay installation position, circuit controls switch installation position, to external wiring terminal with front visit corresponding and external wiring terminal be connected through secondary trough with outside line；Secondary device district is additionally provided with before being from top to bottom positioned at the electric digital display meter district on visiting, indicator lamp regions, intelligent controller, operating handle button area.
Be provided with in the primary equipment district at rear, secondary device district with after visit corresponding disconnecting switch, the upside of disconnecting switch is connected busbar with system side inlet wire and is connected, the downside of disconnecting switch connects busbar by disconnecting switch with chopper and is connected with the chopper being positioned at below secondary device district, and the downside of chopper is provided with machine end inlet wire connection busbar and machine end inlet wire connects busbar and is provided with the machine end current transformer being connected with chopper.
Described disconnecting switch is provided with operation handle, and the handle interface operated on visiting after handle passes is connected with disconnecting switch.
The exciting transformer of the latter half being positioned at bottom of cabinet bulk it is additionally provided with in primary equipment district, the top of exciting transformer is sequentially provided with fuse, excitation rectifier stack and the excitation initiating circuit being connected, and exciting transformer, fuse, excitation rectifier stack and excitation initiating circuit are then corresponding with rear Xiamen.
The upside of described disconnecting switch is provided with radiator fan.
Described bottom, front Xiamen is provided with the front shutter for heat radiation, is arranged over generating set nameplate at front shutter.
Visit after described and be respectively provided with the rear upper shutter of heat radiation and rear lower shutter on rear Xiamen.
This utility model has the following advantages compared to existing technology:
This utility model by visiting before being respectively provided with on cabinet, front Xiamen, after visit and rear Xiamen, anterior primary equipment district, secondary device district use the upper and lower independent mode opened the door, a certain region can be opened during maintenance respectively overhaul, it is ensured that safety inspection；Rear portion also uses the independent mode opened the door up and down according to system side and machine side and energizing apparatus, ensure that safety inspection, when overhauling energized circuit, the system side on the upside of disconnecting switch is possible charged, so can effectively ensure that maintainer does not reaches the wiring of system side.
Main heat-producing device in Intelligent control cabinet of the present utility model includes chopper, exciting transformer, excitation rectifier stack and the excitation initiating circuit all concentrating in primary equipment district, it is independently arranged owing to have employed primary equipment district and secondary device district, ensure that the equipment in secondary device district is not affected by the heat of the equipment in primary equipment district, ensure that the equipment operational reliability in secondary device, and primary equipment district uses panel shutter and radiator fan to dispel the heat, combination heat radiation high-efficiency and economic.
Intelligent control cabinet of the present utility model achieves the water level full-automatic economic power generation pattern of pressing of unattended (few man on duty), a key Auto On Mod, a key autostop pattern, an one-key emergent stopping function, presses starting procedure and carry out manual power up function, press shutdown flow process and carry out manual shut-down function, manual governing (meritorious function), manually regulate excitation (idle) function; primary equipment district and secondary device district do not interfere with each other, and split plot design improves the capacity of resisting disturbance of system, ensures reliable and simplify wiring, save investment.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of Hydropower Unit automatic generation Intelligent control cabinet of the present utility model；
Accompanying drawing 2 is the rearview of Hydropower Unit automatic generation Intelligent control cabinet of the present utility model；
Accompanying drawing 3 is the side view of Hydropower Unit automatic generation Intelligent control cabinet of the present utility model.
Wherein: visit before 1；2 electric digital display meter districts；3 indicator lamp regions；4 intelligent controllers；5 operating handle button area；6 generating set nameplates；7 front Xiamen；Shutter before 8；Upper shutter after 9；10 handle interfaces；Visit after 11；Xiamen after 12；Lower shutter after 13；14 Switching Power Supplies and auxiliary reclay installation position；15 circuit controls switch installation positions；16 pairs of external wiring terminals；17 pairs of external wiring terminals；18 system side inlet wires connect busbar；19 disconnecting switch；20 operation handles；21 disconnecting switch and chopper connect busbar；22 choppers；23 machine end current transformers；24 machine end inlet wires connect busbar；25 exciting transformers；26 fuses；27 excitation rectifier stack and excitation initiating circuits；28 radiator fans；29 2 troughs.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
nullAs Figure 1-3: a kind of Hydropower Unit automatic generation Intelligent control cabinet，This Intelligent control cabinet includes mutually isolated secondary device district and primary equipment district，Wherein secondary device district is positioned at the first half on cabinet top of Intelligent control cabinet，And be provided with on cabinet corresponding with secondary device district before visit 1，Switching Power Supply and auxiliary reclay installation position 14 from top to bottom it is sequentially provided with in secondary device district、Circuit controls switch installation position 15、External wiring terminal 16 and to external wiring terminal 17，Switching Power Supply and auxiliary reclay installation position 14、Circuit controls switch installation position 15、External wiring terminal 16 and to external wiring terminal 17 with front visit 1 corresponding，It is provided with in the lower section in secondary device district and extends to bottom of cabinet bulk and secondary trough 29 and external wiring terminal 16 for storing connection line are connected through secondary trough 29 with outside line with to external wiring terminal 17；Secondary device district be additionally provided with before being from top to bottom positioned at visit on 1 electric digital display meter district 2, indicator lamp regions 3, intelligent controller 4, operating handle button area 5.nullPrimary equipment district is positioned at rear and the lower section in secondary device district，Cabinet is respectively equipped with the front Xiamen 7 corresponding with primary equipment district、After visit 11 and rear Xiamen 12，Be provided with in the primary equipment district at rear, secondary device district with after visit 11 corresponding disconnecting switch 19，The upside of disconnecting switch 19 is connected busbar 18 with system side inlet wire and is connected，The downside of disconnecting switch 19 connects busbar 21 by disconnecting switch with chopper and is connected with the chopper 22 being positioned at below secondary device district，The downside of chopper 22 is provided with machine end inlet wire connection busbar 24 and machine end inlet wire connects busbar 24 and is provided with the machine end current transformer 23 being connected with chopper 22，Disconnecting switch 19 is provided with operation handle 20，The handle interface 10 that operation handle 20 is visited on 11 after passing is connected with disconnecting switch 19，And the upside of disconnecting switch 19 is provided with radiator fan 28；The exciting transformer 25 of the latter half being positioned at bottom of cabinet bulk it is additionally provided with in primary equipment district, the top of exciting transformer 25 is sequentially provided with fuse 26, excitation rectifier stack and the excitation initiating circuit 27 being connected, and exciting transformer 25, fuse 26, excitation rectifier stack and excitation initiating circuit 27 are then corresponding with rear Xiamen 12.In addition to accelerate heat radiation, it is provided with the front shutter 8 for heat radiation in the bottom of front Xiamen 7, is arranged over generating set nameplate 6 at front shutter 8；Then visit 11 and rear Xiamen 12 on be respectively provided with the rear upper shutter 9 of heat radiation and rear lower shutter 13.
The Intelligent control cabinet provided this utility model below is specifically described, and system side inlet wire connects busbar 18 by system side inlet wire and is attached, and width and the thickness of system side inlet wire connection busbar 18 configure according to actual unit rated current；Machine end inlet wire connects busbar 24 by machine end inlet wire and is attached, and width and the thickness of machine end inlet wire connection busbar 24 configure according to actual unit rated current.The energized circuit of electromotor accesses excitation rectifier stack and excitation initiating circuit 27, speed regulator and gate valve control line, unit temperature survey wiring and shows that stream signal etc. controls and monitors that line accesses external wiring terminal 16 and to external wiring terminal 17 from screen cabinet bottom through secondary trough 29.
Before visit the digital displaying meter in the electric digital display meter district 2 on 1 three line voltages of monitoring machine end, three electric currents of machine end, machine end active power, machine end reactive power, machine end power factor, machine end frequency, excitation voltage and exciting current respectively, the data of digital display meter come from intelligent controller PAS661A, the mode using serial chain type transmission protocol realizes, eliminate numerous and diverse secondary connection, save investment, improve reliability.The indicator lamp regions 3 of the 3rd row includes five display lamps and an alarm buzzer, and display lamp indicates respectively that disconnecting switch lower end charged (red), machine side working power (white), system side working power (white), chopper close position (red), chopper point position (green).4th row is PAS661A intelligent controller 6 one; intelligent controller 6 realizes the repertoires such as the whole Row control needed for unit fully automatic operation, protection, excitation, the quasi-same period, and this Intelligent control cabinet is configured with RS485 communication interface to realize the long-range monitoring in power station.The operating handle button area 5 of the 5th row include the throwing pressing water level full-automatic economic power generation function move back, the selection of automatic/hand start-up mode, the regulation of acceleration/deceleration, add the regulation of excitation/excitation reduction, chopper divide/shutting-brake control, manual excitation button (Lycoperdon polymorphum Vitt), breaker energy storage button (yellow), unit power on button (green), compressor emergency shutdown button (red), unit emergency stop button (red).This Intelligent control cabinet achieves 12 road temperature measurement functions, it is possible to monitor the temperature of the key positions such as the bearing shell of generating set, stator coil, rotor coil；Achieve water turbine governing control; adjustment of field excitation; full-automatic quasi-simultaneous interconnecting function and defencive function (overcurrent protection, overvoltage protection, reverse-power protection, field loss protection, underfrequency protection, carrier current protection, overspeed protection, excess temperature trip protection, pressure anomaly, alarm etc. cut off by overload alarm, excitation overload alarm, excitation fault alarm, TV broken string alarm, break pin).
This utility model by visiting 1 before being respectively provided with on cabinet, front Xiamen 7, after visit 11 and rear Xiamen 12, anterior primary equipment district, secondary device district use the upper and lower independent mode opened the door, a certain region can be opened during maintenance respectively overhaul, it is ensured that safety inspection；Rear portion also uses the independent mode opened the door up and down according to system side and machine side and energizing apparatus, ensure that safety inspection, when overhauling energized circuit, the system side on the upside of disconnecting switch 19 is possible charged, so can effectively ensure that maintainer does not reaches the wiring of system side.Main heat-producing device in Intelligent control cabinet of the present utility model includes chopper 22, exciting transformer 25, excitation rectifier stack and the excitation initiating circuit 27 all concentrating in primary equipment district, it is independently arranged owing to have employed primary equipment district and secondary device district, ensure that the equipment in secondary device district is not affected by the heat of the equipment in primary equipment district, ensure that the equipment operational reliability in secondary device, and primary equipment district uses panel shutter and radiator fan 28 to dispel the heat, combination heat radiation high-efficiency and economic.Intelligent control cabinet of the present utility model achieves the water level full-automatic economic power generation pattern of pressing of unattended (few man on duty), a key Auto On Mod, a key autostop pattern, an one-key emergent stopping function, presses starting procedure and carry out manual power up function, press shutdown flow process and carry out manual shut-down function, manual governing (meritorious function), manually regulate excitation (idle) function; primary equipment district and secondary device district do not interfere with each other, and improve the reliability of system.
Above example only illustrates technological thought of the present utility model; protection domain of the present utility model can not be limited with this; every according to the technological thought that the utility model proposes, any change done on the basis of technical scheme, within each falling within this utility model protection domain；The technology that this utility model is not directed to all can be realized by prior art.
Claims (8)
1. a Hydropower Unit automatic generation Intelligent control cabinet, it is characterized in that: this Intelligent control cabinet includes mutually isolated secondary device district and primary equipment district, wherein secondary device district is positioned at the first half on cabinet top of Intelligent control cabinet, and be provided with on cabinet corresponding with secondary device district before visit (1), be provided with in the lower section in secondary device district and extend to bottom of cabinet bulk and for storing the secondary trough (29) of connection line；Primary equipment district is positioned at rear and the lower section in secondary device district, cabinet is respectively equipped with the front Xiamen (7) corresponding with primary equipment district, after visit (11) and rear Xiamen (12).
Hydropower Unit automatic generation Intelligent control cabinet the most according to claim 1, it is characterized in that: be from top to bottom sequentially provided with in secondary device district Switching Power Supply and auxiliary reclay installation position (14), circuit controls switch installation position (15), to external wiring terminal (16,17), Switching Power Supply and auxiliary reclay installation position (14), circuit controls switch installation position (15), to external wiring terminal (16,17) corresponding with front visit (1) and external wiring terminal (16,17) is connected through secondary trough (29) with outside line；Secondary device district be additionally provided with before being from top to bottom positioned at visit on (1) electric digital display meter district (2), indicator lamp regions (3), intelligent controller (4), operating handle button area (5).
Hydropower Unit automatic generation Intelligent control cabinet the most according to claim 1, it is characterized in that: be provided with in the primary equipment district at rear, secondary device district with after visit (11) corresponding disconnecting switch (19), the upside of disconnecting switch (19) is connected busbar (18) and is connected with system side inlet wire, the downside of disconnecting switch (19) connects busbar (21) by disconnecting switch with chopper and is connected with the chopper (22) being positioned at below secondary device district, the downside of chopper (22) is provided with machine end inlet wire connection busbar (24) and machine end inlet wire connects busbar (24) and is provided with machine end current transformer (23) being connected with chopper (22).
Hydropower Unit automatic generation Intelligent control cabinet the most according to claim 3, it is characterized in that: described disconnecting switch (19) is provided with operation handle (20), the handle interface (10) that operation handle (20) is visited on (11) after passing is connected with disconnecting switch (19).
5. according to the Hydropower Unit automatic generation Intelligent control cabinet described in claim 1 or 3, it is characterized in that: in primary equipment district, be additionally provided with the exciting transformer (25) of the latter half being positioned at bottom of cabinet bulk, the top of exciting transformer (25) is sequentially provided with fuse (26), excitation rectifier stack and the excitation initiating circuit (27) being connected, and exciting transformer (25), fuse (26), excitation rectifier stack and excitation initiating circuit (27) are then corresponding with rear Xiamen (12).
Hydropower Unit automatic generation Intelligent control cabinet the most according to claim 3, it is characterised in that: the upside of described disconnecting switch (19) is provided with radiator fan (28).
Hydropower Unit automatic generation Intelligent control cabinet the most according to claim 1, it is characterised in that: described front Xiamen (7) bottom is provided with the front shutter (8) for heat radiation, is arranged over generating set nameplate (6) at front shutter (8).
Hydropower Unit automatic generation Intelligent control cabinet the most according to claim 1, it is characterised in that: visit after described (11) and on rear Xiamen (12), be respectively provided with rear upper shutter (9) and the rear lower shutter (13) of heat radiation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620264974.5U CN205509285U (en) | 2016-04-01 | 2016-04-01 | Automatic intelligent control cabinet that generates electricity of hydro -power generating units |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620264974.5U CN205509285U (en) | 2016-04-01 | 2016-04-01 | Automatic intelligent control cabinet that generates electricity of hydro -power generating units |
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| CN205509285U true CN205509285U (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481875A (en) * | 2017-08-21 | 2017-12-15 | 安徽省颍上县正泰电器有限责任公司 | A kind of tri-station isolating switch and breaker |
| CN109256699A (en) * | 2018-11-15 | 2019-01-22 | 中车株洲电力机车有限公司 | A kind of electrical cubicle and the rail traffic vehicles with the electrical cubicle |
-
2016
- 2016-04-01 CN CN201620264974.5U patent/CN205509285U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481875A (en) * | 2017-08-21 | 2017-12-15 | 安徽省颍上县正泰电器有限责任公司 | A kind of tri-station isolating switch and breaker |
| CN109256699A (en) * | 2018-11-15 | 2019-01-22 | 中车株洲电力机车有限公司 | A kind of electrical cubicle and the rail traffic vehicles with the electrical cubicle |
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