CN204167248U - The intelligent unit switch of wind-powered electricity generation - Google Patents
The intelligent unit switch of wind-powered electricity generation Download PDFInfo
- Publication number
- CN204167248U CN204167248U CN201420590589.0U CN201420590589U CN204167248U CN 204167248 U CN204167248 U CN 204167248U CN 201420590589 U CN201420590589 U CN 201420590589U CN 204167248 U CN204167248 U CN 204167248U
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- switch
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- unit
- spring operating
- wind
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Abstract
The intelligent unit switch of wind-powered electricity generation, belong to iec switch technical field, comprise combined electrical apparatus framework and be arranged on vacuum interrupter, current transformer, isolating switch, grounding switch, protective relaying device, the spring operating mechanism on combined electrical apparatus framework, current transformer is connected by wire with protective relaying device; Protective relaying device is connected by wire with spring operating mechanism; Spring operating mechanism comprises electric switch-on functional unit, electronic separating brake functional unit, transmission agency unit and miscellaneous function unit; Vacuum interrupter is connected by transmission agency unit with spring operating mechanism; Isolating switch and grounding switch are positioned at same mechanism case.The utility model integrates vacuum switch, isolating switch, earthed switch, intelligent protective device; antijamming capability is strong, dependable performance, action is good, Installation and Debugging are convenient; and volume is little, scientific and reasonable for structure, do not relate to operation of power networks consumptive material, greatly reduce operation of power networks cost.
Description
Technical field
The utility model belongs to iec switch technical field, particularly relates to a kind of wind-powered electricity generation on-load switch.
Background technology
Wind energy, as a kind of clean regenerative resource, is more and more subject to the attention of countries in the world.Wind-powered electricity generation is the abbreviation of wind power generation or wind power generation, and wind power technology equipment is the important component part of Wind Power Generation Industry, is also basis and the guarantee of Wind Power Generation Industry development.Wind-driven generator is kept watch and is become AC energy by rotating vane generator, then electric power system sent into by the step-up transformer in being become by 35kV case and 35kV switchgear, the general principle by a generator transformer, every Fans is supporting arranges a 35kV case change, and every platform case becomes to be needed to arrange a 35kV switchgear.Main element in switchgear adopts vacuum load isolating switch and fuse combined electric apparatus composition.
At present, domestic wind energy turbine set 35kV case becomes booster stations high-pressure side generally has two kinds: one to be plug-in fuse, is applicable to 1600kVA case and becomes use; Two is that 35kV side installs vacuum load switch-fuse combination additional, is applicable to 1600-2200kVA case and becomes use.It is little to there is capacity in these two kinds of equipment; non-selectivity, unreliable, fault is high, poor anti jamming capability; do not reach the quick-break of protective device, reliability, selectivity; rupturing capacity is little; can not reach safety, reliability service, and fuse protection often realizes once protecting, and will burn 1-3 fuse; can work on after needing replacing, cause operating cost too large.Therefore, need badly in the middle of prior art and a kind of novel technical scheme will solve this problem.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of wind-powered electricity generation intelligent unit switch; integrate vacuum switch, isolating switch, earthed switch, intelligent protective device; antijamming capability is strong, dependable performance, action is good, Installation and Debugging are convenient; and volume is little, scientific and reasonable for structure; do not relate to operation of power networks consumptive material, greatly reduce operation of power networks cost.
The intelligent unit switch of wind-powered electricity generation, it is characterized in that: comprise combined electrical apparatus framework and be arranged on vacuum interrupter, current transformer, isolating switch, grounding switch, protective relaying device, the spring operating mechanism on combined electrical apparatus framework, described vacuum interrupter is connected by transmission agency unit with spring operating mechanism; Described current transformer is connected by wire with protective relaying device; Described protective relaying device is connected by wire with spring operating mechanism; One end of described isolating switch is connected with the output of operating mechanism, and middle part and the insulating rod of isolating switch are hinged, and the free end of isolating switch is connected with static contact seat or disconnects; Described isolating switch and grounding switch are positioned at same mechanism case; Described spring operating mechanism comprises electric switch-on functional unit, electronic separating brake functional unit, transmission agency unit and miscellaneous function unit.
Described electric switch-on functional unit comprises operating handle, traffic lights and closing circuit.
Described miscellaneous function unit comprises tripping electromagnet, making electromagnet, overcurrent trip coil, anti-trip relay, change over switch and protection component.
By above-mentioned design; the utility model can bring following beneficial effect: the intelligent unit switch of wind-powered electricity generation; integrate vacuum switch, isolating switch, earthed switch, intelligent protective device; antijamming capability is strong, dependable performance, action is good, Installation and Debugging are convenient; and volume is little, scientific and reasonable for structure; do not relate to operation of power networks consumptive material, greatly reduce operation of power networks cost.By needing the setting of guard signal to relay protection, as pressure, overtemperature, low oil level etc., spring operating mechanism sends corresponding trip command, thus reaches the object of error protection.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Fig. 1 is the intelligent unit switch structural representation of the utility model wind-powered electricity generation.
Wherein 1-combined electrical apparatus framework, 2-vacuum interrupter, 3-current transformer, 4-isolating switch, 5-grounding switch, 6-protective relaying device, 7-spring operating mechanism.
Embodiment
The intelligent unit switch of wind-powered electricity generation, as shown in Figure 1, comprise combined electrical apparatus framework 1 and be arranged on vacuum interrupter 2, current transformer 3, isolating switch 4, grounding switch 5, protective relaying device 6, the spring operating mechanism 7 on combined electrical apparatus framework 1, described current transformer 3 is connected by wire with protective relaying device 6; Described protective relaying device 6 is connected by wire with spring operating mechanism 7; Described spring operating mechanism 7 comprises electric switch-on functional unit, electronic separating brake functional unit, transmission agency unit and miscellaneous function unit; Described vacuum interrupter 2 is connected by transmission agency unit with spring operating mechanism 7; One end of described isolating switch 4 is connected with the output of operating mechanism 7, and middle part and the insulating rod of isolating switch 4 are hinged, and the free end of isolating switch 4 is connected with static contact seat or disconnects; Described isolating switch 4 and grounding switch 5 are positioned at same mechanism case.
Described electric switch-on functional unit comprises operating handle, traffic lights and closing circuit.
Described miscellaneous function unit comprises tripping electromagnet, making electromagnet, overcurrent trip coil, anti-trip relay, change over switch and protection component.
Spring operating mechanism 7 adopts the spring of side-mounted floor plan, and has manual energy storage and electric energy-stored function.Spring operating mechanism 7 is placed in the mechanism case of vacuum interrupter 2 side dress, panel is provided with four functional units, wherein, electric switch-on functional unit comprises operating handle, indicator light and closing circuit, during closing operation, motor gear box case drives switching-in spring energy storage complete and discharge, and makes vacuum interrupter 2 separating brake, drives combined floodgate energy storage to complete simultaneously.Electronic separating brake functional unit, when sub-switching operation, sends separating brake pulse signal directly to tripping electromagnet, tripping electromagnet action, and tripping spring discharges, and vacuum interrupter 2 separating brake completes.
The utility model is by the sampling of current transformer 3 pairs of case time-dependent current; access protective relaying device 6; according to the size of case varying capacity; Protection parameters setting is carried out to protective relaying device 6; short circuit is there is when case becomes; during the faults such as overload, send trip command by protective relaying device 6 pairs of spring operating mechanisms 4 and realize tripping operation, thus reach the object of error protection.Meanwhile, case becomes other guard signal, as pressure, overtemperature, low oil level etc., also in accessible protective relaying device 6, sends trip command, case is become protect,
The utility model transmission process operating sequence: circuit breaker is in gate-dividing state, cabinet door is closed, grounding switch 5 is in gate-dividing state, jam plate is allocated to locking released state, open the operation little moveable door of isolating switch 4, insert handle, disconnecting switch operation 4 to closing position, breaker closing, transmission process completes.
The utility model power failure process operation order: circuit breaker is in gate-dividing state, jam plate is allocated to locking released state, opens the operation little moveable door of isolating switch 4, insert handle, disconnecting switch operation 4 to open position, power failure process completes.
The utility model maintenance process operating sequence: after completing power failure operation, opens the operation little moveable door of grounding switch 5, inserts handle, operational grounding disconnecting link 5 to "on" position, then opens the maintenance of cabinet door.
Between the vacuum interrupter 2 of the utility model combined electrical apparatus, isolating switch 4, grounding switch 5, there is reliable mechanical chain, only when vacuum interrupter 2 is in gate-dividing state, can disconnecting switch operation 4 and grounding switch 5.Security performance has and ensures very reliably.
Claims (3)
1. the intelligent unit switch of wind-powered electricity generation, it is characterized in that: comprise combined electrical apparatus framework (1) and be arranged on vacuum interrupter (2), current transformer (3), isolating switch (4), grounding switch (5), protective relaying device (6), the spring operating mechanism (7) on combined electrical apparatus framework (1), described vacuum interrupter (2) is connected by transmission agency unit with spring operating mechanism (7); Described current transformer (3) is connected by wire with protective relaying device (6); Described protective relaying device (6) is connected by wire with spring operating mechanism (7); One end of described isolating switch (4) is connected with the output of operating mechanism (7), and middle part and the insulating rod of isolating switch (4) are hinged, and the free end of isolating switch (4) is connected with static contact seat or disconnects; Described isolating switch (4) and grounding switch (5) are positioned at same mechanism case; Described spring operating mechanism (7) comprises electric switch-on functional unit, electronic separating brake functional unit, transmission agency unit and miscellaneous function unit.
2. the intelligent unit switch of wind-powered electricity generation according to claim 1, is characterized in that: described electric switch-on functional unit comprises operating handle, traffic lights and closing circuit.
3. the intelligent unit switch of wind-powered electricity generation according to claim 1, is characterized in that: described miscellaneous function unit comprises tripping electromagnet, making electromagnet, overcurrent trip coil, anti-trip relay, change over switch and protection component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420590589.0U CN204167248U (en) | 2014-10-13 | 2014-10-13 | The intelligent unit switch of wind-powered electricity generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420590589.0U CN204167248U (en) | 2014-10-13 | 2014-10-13 | The intelligent unit switch of wind-powered electricity generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167248U true CN204167248U (en) | 2015-02-18 |
Family
ID=52540908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420590589.0U Expired - Fee Related CN204167248U (en) | 2014-10-13 | 2014-10-13 | The intelligent unit switch of wind-powered electricity generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204167248U (en) |
-
2014
- 2014-10-13 CN CN201420590589.0U patent/CN204167248U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20151013 |
|
| EXPY | Termination of patent right or utility model |