CN203984004U - Small user's power plant load Union Switch Device - Google Patents
Small user's power plant load Union Switch Device Download PDFInfo
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- CN203984004U CN203984004U CN201420330994.9U CN201420330994U CN203984004U CN 203984004 U CN203984004 U CN 203984004U CN 201420330994 U CN201420330994 U CN 201420330994U CN 203984004 U CN203984004 U CN 203984004U
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- Prior art keywords
- union switch
- power plant
- switchgear house
- switch device
- load union
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- 238000004891 communication Methods 0.000 claims abstract description 14
- 239000013307 optical fiber Substances 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims description 22
- 230000011664 signaling Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a kind of small user's power plant load Union Switch Device, described device includes the Power Plant Side load Union Switch Device (01) being connected with No. two generators with power plant (1) interior generator, described Power Plant Side load Union Switch Device (01) is by communication optical fiber and No. two switchgear house load Union Switch Devices (02), No. three switchgear houses load Union Switch Device (03) and No. four switchgear houses Union Switch Devices (04) of loading are connected by communication, described No. two switchgear houses load Union Switch Devices (02) are controlled No. two switchgear house important loads (2101) and No. two less important loads of switchgear house (2101), No. three switchgear house load Union Switch Devices (03) are controlled No. three switchgear house important loads (3101) and No. three less important loads of switchgear house (3101), No. four switchgear house load Union Switch Devices (04) are controlled No. four switchgear house important loads (4101) and No. four less important loads of switchgear house (4101).The utility model relates to a kind of small user's power plant load Union Switch Device, turns and cuts steadily.
Description
Technical field
The utility model relates to a kind of Union Switch Device of hauling oneself willingly into, and especially relates to a kind of small user's power plant load Union Switch Device, belongs to electric power applied technical field.
Background technology
At present, one or more generator of small user power plant because of fault trip after, former generator with load all turn by electrical network and provide; when the power load of former generator band is larger; will cause net for circuit overcurrent protection action, cause switch trip, thereby cause power cut of whole factory.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of turning to cut small user's power plant load Union Switch Device stably, the utility model, after generator is because of failure and other reasons tripping operation, first excises a part of less important load, the power supply of assurance important load, thus it is minimum that causality loss is dropped to.
The purpose of this utility model is achieved in that a kind of small user's power plant load Union Switch Device, described device includes the Power Plant Side load Union Switch Device being connected with No. two generators with generator in power plant, described Power Plant Side load Union Switch Device is by communication optical fiber and No. two switchgear house load Union Switch Devices, No. three switchgear house load Union Switch Devices and No. four switchgear house load Union Switch Devices are connected by communication, described No. two switchgear houses load Union Switch Device is controlled No. two switchgear house important loads and No. two less important loads of switchgear house, No. three switchgear house load Union Switch Device is controlled No. three switchgear house important loads and No. three less important loads of switchgear house, No. four switchgear house load Union Switch Device is controlled No. four switchgear house important loads and No. four less important loads of switchgear house.
A kind of small user's power plant load of the utility model Union Switch Device, on described Power Plant Side load Union Switch Device, be connected with the generating pusher side current sampling device being installed on a generator, be used for obtaining generating pusher side current sampling signal No. one, described Power Plant Side load Union Switch Device is connected with the circuit breaker of a generator, for obtaining generator circuit breaker position signalling No. one;
On Power Plant Side load Union Switch Device, be connected with No. two generating pusher side current sampling devices that are installed on No. two generators, be used for obtaining generating pusher side current sampling signal No. two, described Power Plant Side load Union Switch Device is connected with the circuit breaker of No. two generators, for obtaining generator circuit breaker position signalling No. two.
A kind of small user's power plant load connection of the utility model blanking method,
Described method includes following steps:
Step 1: obtain the trip signal of a generator and No. two generators by the Power Plant Side Union Switch Device of loading, and judgement belongs to a generator tripping signal or No. two generator tripping signals;
Step 2: when this trip signal belongs to a generator tripping signal, Power Plant Side load Union Switch Device is by optical fiber and the communication of No. two switchgear house load Union Switch Devices, by the current supply circuit of No. two less important loads of switchgear house of No. two switchgear house load Union Switch Device cut-outs;
When this trip signal belongs to No. two generator tripping signals, Power Plant Side load Union Switch Device is by optical fiber and the communication of No. three switchgear house load Union Switch Devices, by the current supply circuit of No. three less important loads of switchgear house of No. three switchgear house load Union Switch Device cut-outs;
When this trip signal belongs to a generator tripping signal and No. two generator tripping signals, Power Plant Side load Union Switch Device is by optical fiber and No. two switchgear houses load Union Switch Devices, No. three switchgear houses load Union Switch Devices and the communication of No. four switchgear houses load Union Switch Devices, by the current supply circuit of No. two switchgear house load Union Switch Devices, No. three switchgear houses load Union Switch Devices and No. four cut-outs of switchgear house load Union Switch Device No. two less important loads of switchgear house, No. three less important loads of switchgear house and No. four less important loads of switchgear house.
A kind of small user's power plant load connection of the utility model blanking method, in step 2, when definite trip signal is a generator tripping signal, Power Plant Side load Union Switch Device detects a generating pusher side current sampling signal and a generator circuit breaker position signalling simultaneously, only a generating pusher side current sampling signal no signal, a generator circuit breaker position signalling, when open position, just finally determines that generator of this thing is in tripped condition; When definite trip signal is No. two generator tripping signals, Power Plant Side load Union Switch Device detects No. two generating pusher side current sampling signals and No. two generator circuit breaker position signallings simultaneously, only No. two generating pusher side current sampling signal no signals, No. two generator circuit breaker position signallings, when open position, just finally determine that No. two generators of this thing are in tripped condition.
Compared with prior art, the beneficial effects of the utility model are:
The utility model, after generator is because of failure and other reasons tripping operation, first excises a part of less important load, guarantees important load power supply, thereby has guaranteed to switch the steady transformation of load, abandons it over-current phenomenon avoidance occurs, and causality loss is dropped to minimum.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model small user power plant load Union Switch Device.
Wherein:
Power Plant Side load Union Switch Device 01, No. two switchgear house load Union Switch Devices 02, No. three switchgear house load Union Switch Devices 03, No. four switchgear house load Union Switch Devices 04;
Generator tripping signal 101, generating pusher side current sampling signal 102, a generator circuit breaker position signalling 103;
No. two generator tripping signals 201, No. two generating pusher side current sampling signals 202, No. two generator circuit breaker position signallings 203;
No. two switchgear house important loads 2101, No. two less important loads 2102 of switchgear house;
No. three switchgear house important loads 3101, No. three less important loads 3102 of switchgear house;
No. four switchgear house important loads 4101, No. four less important loads 4102 of switchgear house;
Power plant 1, No. two switchgear houses 2, No. three switchgear houses 3, No. four switchgear houses 4;
Optical fiber 5,6,7.
Embodiment
Referring to Fig. 1, a kind of small user's power plant load Union Switch Device that the utility model relates to, described device includes the Power Plant Side load Union Switch Device 01 being connected with No. two generators with the interior generator in power plant 1, described Power Plant Side load Union Switch Device 01 is by communication optical fiber and No. two switchgear house load Union Switch Devices 02, No. three switchgear house load Union Switch Devices 03 and No. four switchgear house load Union Switch Devices 04 are connected by communication, described No. two switchgear houses load Union Switch Device 02, No. three switchgear house load Union Switch Devices 03 and No. four switchgear house load Union Switch Devices 04 are arranged on respectively switchgear house 2 No. two, in No. three switchgear houses 3 and No. four switchgear houses 4, described No. two switchgear houses load Union Switch Device 02 is controlled No. two switchgear house important loads 2101 and No. two less important loads 2101 of switchgear house, No. three switchgear house load Union Switch Device 03 is controlled No. three switchgear house important loads 3101 and No. three less important loads 3101 of switchgear house, No. four switchgear house load Union Switch Device 04 is controlled No. four switchgear house important loads 4101 and No. four less important loads 4101 of switchgear house,
A kind of small user's power plant load connection of the utility model blanking method, steps of the method are:
Step 1: obtain the trip signal of a generator and No. two generators by the Power Plant Side Union Switch Device 01 of loading, and judgement belongs to a generator tripping signal 101 or No. two generator tripping signals 201;
Step 2: when this trip signal belongs to a generator tripping signal 101, Power Plant Side load Union Switch Device 01 is by optical fiber and 02 communication of No. two switchgear house load Union Switch Devices, by the current supply circuit of No. two less important loads 2102 of switchgear house of No. two switchgear house load Union Switch Device 02 cut-outs;
When this trip signal belongs to No. two generator tripping signals 201, Power Plant Side load Union Switch Device 01 is by optical fiber and 03 communication of No. three switchgear house load Union Switch Devices, by the current supply circuit of No. three less important loads 3102 of switchgear house of No. three switchgear house load Union Switch Device 03 cut-outs;
When this trip signal belongs to a generator tripping signal 101 and No. two generator tripping signals 201, Power Plant Side load Union Switch Device 01 is by optical fiber and No. two switchgear house load Union Switch Devices 02, No. three switchgear house load Union Switch Devices 03 and 04 communications of No. four switchgear houses load Union Switch Devices, by the current supply circuit of the less important load of No. two switchgear house load Union Switch Devices 02, No. three switchgear house load Union Switch Devices 03 and No. two switchgear houses of No. four switchgear house load Union Switch Device 04 cut-outs 2102, No. three less important loads 3102 of switchgear house and No. four less important loads 4102 of switchgear house;
In step 2, for increasing the stability of whole device, on described Power Plant Side load Union Switch Device 01, be connected with the generating pusher side current sampling device being installed on a generator, be used for obtaining generating pusher side current sampling signal 102 No. one, described Power Plant Side load Union Switch Device 01 is connected with the circuit breaker of a generator, for obtaining generator circuit breaker position signalling 103 No. one;
Same, on Power Plant Side load Union Switch Device 01, be connected with No. two generating pusher side current sampling devices that are installed on No. two generators, be used for obtaining generating pusher side current sampling signal 202 No. two, described Power Plant Side load Union Switch Device 01 is connected with the circuit breaker of No. two generators, for obtaining generator circuit breaker position signalling 103 No. two;
In step 2, when definite trip signal is a generator tripping signal 101, Power Plant Side load Union Switch Device 01 detects a generating pusher side current sampling signal 102 and a generator circuit breaker position signalling 103 simultaneously, only generating pusher side current sampling signal 102 no signals, a generator circuit breaker position signalling 103 is when open position, just finally determine that generator of this thing is in tripped condition, thereby carry out subsequent operation, simultaneously, when definite trip signal is No. two generator tripping signals 201, Power Plant Side load Union Switch Device 01 detects No. two generating pusher side current sampling signals 202 and No. two generator circuit breaker position signallings 203 simultaneously, only No. two generating pusher side current sampling signal 202 no signals, No. two generator circuit breaker position signallings 203 are when open position, just finally determine that No. two generators of this thing are in tripped condition, thereby execution subsequent operation, above-mentioned judgement simultaneously, contribute to the in the situation that of wrong report fault-signal, increase check mechanism, improve the stability of whole device,
Pass through said method, in the time of generator tripping, by No. two switchgear houses load Union Switch Device 02, No. three switchgear house load Union Switch Devices 03 and No. four switchgear house load Union Switch Devices 04, some less important load loops are cut off, thereby guaranteed the power supply of important load, avoided occurring over-current phenomenon avoidance simultaneously, prevent tripping operation, and then affect the normal production of full factory;
In addition: it should be noted that above-mentioned embodiment is only a prioritization scheme of this patent, any change or improvement that those skilled in the art does according to above-mentioned design, all within the protection range of this patent.
Claims (2)
1. small user's power plant load Union Switch Device, it is characterized in that: described device includes the Power Plant Side load Union Switch Device (01) being connected with No. two generators with power plant (1) interior generator, described Power Plant Side load Union Switch Device (01) is by communication optical fiber and No. two switchgear house load Union Switch Devices (02), No. three switchgear houses load Union Switch Device (03) and No. four switchgear houses Union Switch Devices (04) of loading are connected by communication, described No. two switchgear houses load Union Switch Devices (02) are controlled No. two switchgear house important loads (2101) and No. two less important loads of switchgear house (2101), No. three switchgear house load Union Switch Devices (03) are controlled No. three switchgear house important loads (3101) and No. three less important loads of switchgear house (3101), No. four switchgear house load Union Switch Devices (04) are controlled No. four switchgear house important loads (4101) and No. four less important loads of switchgear house (4101).
2. a kind of small user's power plant load Union Switch Device as claimed in claim 1, it is characterized in that: on described Power Plant Side load Union Switch Device (01), be connected with the generating pusher side current sampling device being installed on a generator, be used for obtaining generating pusher side current sampling signal (102) No. one, described Power Plant Side load Union Switch Device (01) is connected with the circuit breaker of a generator, for obtaining a generator circuit breaker position signalling (103);
On Power Plant Side load Union Switch Device (01), be connected with No. two generating pusher side current sampling devices that are installed on No. two generators, be used for obtaining generating pusher side current sampling signal (202) No. two, described Power Plant Side load Union Switch Device (01) is connected with the circuit breaker of No. two generators, for obtaining No. two generator circuit breaker position signallings (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330994.9U CN203984004U (en) | 2014-06-20 | 2014-06-20 | Small user's power plant load Union Switch Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330994.9U CN203984004U (en) | 2014-06-20 | 2014-06-20 | Small user's power plant load Union Switch Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203984004U true CN203984004U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420330994.9U Expired - Lifetime CN203984004U (en) | 2014-06-20 | 2014-06-20 | Small user's power plant load Union Switch Device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203984004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113075A (en) * | 2014-06-20 | 2014-10-22 | 江苏省电力公司江阴市供电公司 | Small user power plant load cut-off device and method |
-
2014
- 2014-06-20 CN CN201420330994.9U patent/CN203984004U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113075A (en) * | 2014-06-20 | 2014-10-22 | 江苏省电力公司江阴市供电公司 | Small user power plant load cut-off device and method |
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