CN208142843U - Auto-parallel power supply system based on diesel generating set - Google Patents
Auto-parallel power supply system based on diesel generating set Download PDFInfo
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- CN208142843U CN208142843U CN201820246126.0U CN201820246126U CN208142843U CN 208142843 U CN208142843 U CN 208142843U CN 201820246126 U CN201820246126 U CN 201820246126U CN 208142843 U CN208142843 U CN 208142843U
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Abstract
The utility model relates to power supply system field, specifically a kind of auto-parallel power supply system based on diesel generating set.The utility model includes：Multiple controllers, multiple diesel-driven generators, step-up transformer, high-voltage switch gear, breaker.Each controller is separately connected corresponding diesel generating set, acquires city's electric signal and diesel-driven generator described in start signal output works when mains failure；Diesel generating set always exports bus connection step-up transformer, exports low-voltage AC, and machine is arranged, the low-voltage AC after exporting simultaneously machine；Step-up transformer connects high-voltage switch gear, by the low-voltage AC transformation after simultaneously machine to required high pressure, exports the High Level AC Voltage by high-voltage switch gear, breaker and is connected to distribution bus to be powered.The utility model can start automatically under unattended burst power-off condition, automatic and machine, export alternating current automatically, solve the powerup issue because of the influence for having a power failure and supplying oxygen to bacterium of planning or happen suddenly, when effectively solution has a power failure.
Description
Technical field
The utility model relates to power supply system field, specifically a kind of auto-parallel based on diesel generating set is supplied
Electric system.
Background technique
Biological oxidation gold extraction factory technique requires uninterrupted power supply, and power-off condition cannot occur.In the certain areas in China
There is high voltage power supply all the way, cannot be achieved one for one for dual power supply.Blower for bacterium oxygen supply is the production of Shen Gu company
GM35 high pressure blower, Rated motor voltage 10KV.What generator issued is the low-voltage AC of 0.4KV, cannot start 10KV high
Pressure fan, therefore cannot be using generator as backup power source.Also, power supply system in the prior art is using grid-connected manually
Mode, timeliness is slow and machine effect is poor.
Utility model content
Aiming at the defects existing in the prior art, it provides and a kind of uses diesel generating set logical as backup power source
Crossing technological transformation can start automatically under unattended burst power-off condition, automatic and machine, export alternating current automatically
Power supply system.
The utility model technical solution used for the above purpose is：Auto-parallel based on diesel generating set
Power supply system, including：Multiple controllers, multiple diesel-driven generators, step-up transformer, high-voltage switch gear, breaker.
Each controller is separately connected diesel-driven generator, acquires city's electric signal of alternating current bus, start signal output
The diesel-driven generator work.
The diesel-driven generator is separately connected the controller, step-up transformer, exports low-voltage AC, and machine is arranged,
Low-voltage AC after exporting simultaneously machine.
The step-up transformer is separately connected diesel-driven generator, high-voltage switch gear, extremely by the low-voltage AC transformation after simultaneously machine
Required high pressure exports the High Level AC Voltage.
The high-voltage switch gear, one end connect the output end of step-up transformer, and the other end connects breaker.
The breaker, one end connect high-voltage switch gear, and the other end is for connecting distribution bus to be powered.
The step-up transformer is oil-immersed transformer.
The breaker is vacuum circuit breaker.
Low-voltage AC that the diesel-driven generator exports and after machine is 3 phase 400V sinusoidal acs.
The High Level AC Voltage of the step-up transformer output is 3 phase 10KV sinusoidal acs.
The power of output power and the step-up transformer after the diesel-driven generator and machine matches.
The utility model has the following advantages that and beneficial effect：
1. the utility model can start automatically, automatic and machine, automatic output under unattended burst power-off condition
Alternating current, it is safer and conveniently.
2. the utility model is used as high pressure standby power system after being boosted using diesel-driven generator and machine by step-up transformer,
It solves because of the influence for having a power failure and being supplied oxygen to bacterium of planning or happen suddenly, solves the problems, such as backup power source.
Detailed description of the invention
Fig. 1 is the system global structure schematic diagram of the utility model；
Fig. 2 is the system electrical schematic diagram of the utility model；
Wherein, 1 it is controller, 2 be diesel-driven generator, 3 be step-up transformer, 4 be high-voltage switch gear, 5 is breaker.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1, being the system global structure schematic diagram of the utility model.Including：Multiple controllers 1, multiple diesel oil
Generator 2, step-up transformer 3, high-voltage switch gear 4, breaker 5.Each controller 1 is separately connected diesel-driven generator 2, acquires alternating current
City's electric signal of bus, diesel-driven generator 2 described in start signal output work.Diesel-driven generator 2 is separately connected the controller
1, step-up transformer 3 export low-voltage AC, and machine is arranged, the low-voltage AC after exporting simultaneously machine.Step-up transformer 3, respectively
Diesel-driven generator 2, high-voltage switch gear 4 are connected, by the low-voltage AC transformation after simultaneously machine to required high pressure, exports the high-voltage alternating
Electricity.High-voltage switch gear 4, one end connect the output end of step-up transformer 3, and the other end connects breaker 5.Breaker 5, one end connection are high
Compress switch 4, the other end is for connecting distribution bus to be powered.
As shown in Fig. 2, being the system electrical schematic diagram of the utility model.Three 640KW diesel-driven generators 2 issue 0.4KV
Alternating current send 0.4KV electric power to 2000KVA/10KV/0.4KV step-up transformer 3 after automatic and machine, by boosting transformation
Device 3 exports 10KV high-tension electricity and switches to breaker 5 by high-voltage switch gear 4, then powers to electric substation of company high-pressure system, structure
At 10KV CAPACITY IN ELECTRICITY power-supply system, remaining capacity supply workshop low-voltage equipment maintains normal production after starting high pressure blower.It rises
Pressure transformer 3 uses oil-immersed transformer.Breaker 5 uses vacuum circuit breaker.
Three simultaneously for machine control cabinet using HGM9510 generating set parallel controller 1, which can be used for more with appearance
The manual/auto parallel system of diesel-driven generator 2 of amount or different capabilities and it is suitable for separate unit generating set constant power output, it is real
Auto Power On, shutdown, parallel running, DATA REASONING, alarm and protection and " three is distant " function of existing diesel-driven generator 2, have control
The function of GOV and AVR.It can be carried out simultaneously with automatic synchronization and load sharing with the diesel-driven generator 2 equipped with HGM9510 controller 1
Connection.The various working conditions of 1 accurate measurements diesel-driven generator 2 of controller, when 2 operation irregularity of diesel-driven generator automatically from bus
Off-the-line closes generating set, while malfunction being shown on LCD.
When controller 1 receives mains failure signal, three diesel-driven generators 2 are controlled in HGM9510 parallel controller 1
Under, while starting, by setting ratio realizing that active and reactive load indifference is distributed automatically, automatically according to fluctuation of load investment and
Withdrawing from unit synchronization module can be according to the frequency of busbar power supply and the revolving speed of phase automatic power generation adjustment unit.Work as diesel-driven generator
2 provide asynchronous switch-on signal automatically when reaching same period point, close a floodgate simultaneously machine output voltage.If loading the 75% of one unit of low pressure
When nominal load, by setting, wherein other units are by automatic parallel off, if be higher than 75% load, system delay starts another
Diesel-driven generator 2, parallel connection puts into operation, and machine control cabinet can be respectively completed the closing by hand of corresponding diesel-driven generator 2, separating brake,
Ann reset, same period automatic switching-in function.
When controller 1 receives alternating current normal signal, controller 1 disconnects power generation closing relay signal immediately, makes to bear
It carrying and is detached from, diesel-driven generator 2 is shut down again after high speed radiates, backup power source automation is realized by the above technological transformation,
Because burst power failure bring influences in effective solution production process, reduce economic loss.
Claims (6)
1. the auto-parallel power supply system based on diesel generating set, which is characterized in that including：Multiple controllers (1), multiple bavins
Fry dried food ingredients motor (2), step-up transformer (3), high-voltage switch gear (4), breaker (5)；
Each controller (1) is separately connected diesel-driven generator (2), acquires city's electric signal of alternating current bus, and output signal opens
Move the diesel-driven generator (2) work；
The diesel-driven generator (2) is separately connected the controller (1), step-up transformer (3), exports low-voltage AC, and machine
Setting, the low-voltage AC after exporting simultaneously machine；
The step-up transformer (3) is separately connected diesel-driven generator (2), high-voltage switch gear (4), by the low-voltage AC after simultaneously machine
Transformation exports High Level AC Voltage to required high pressure；
The high-voltage switch gear (4), one end connect the output end of step-up transformer (3), and the other end connects breaker (5)；
The breaker (5), one end connect high-voltage switch gear (4), and the other end is for connecting distribution bus to be powered.
2. the auto-parallel power supply system according to claim 1 based on diesel generating set, which is characterized in that the liter
Pressure transformer (3) is oil-immersed transformer.
3. the auto-parallel power supply system according to claim 1 based on diesel generating set, which is characterized in that described disconnected
Road device (5) is vacuum circuit breaker.
4. the auto-parallel power supply system based on diesel generating set according to claim 1 to 3, feature
It is, low-voltage AC that the diesel-driven generator (2) exports and after machine is 3 phase 400V sinusoidal acs.
5. the auto-parallel power supply system based on diesel generating set according to claim 1 to 3, feature
It is, the High Level AC Voltage of step-up transformer (3) output is 3 phase 10KV sinusoidal acs.
6. the auto-parallel power supply system based on diesel generating set according to claim 1 to 3, feature
It is, the power of output power and the step-up transformer (3) after the diesel-driven generator (2) and machine matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820246126.0U CN208142843U (en) | 2018-02-11 | 2018-02-11 | Auto-parallel power supply system based on diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820246126.0U CN208142843U (en) | 2018-02-11 | 2018-02-11 | Auto-parallel power supply system based on diesel generating set |
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| Publication Number | Publication Date |
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| CN208142843U true CN208142843U (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820246126.0U Active CN208142843U (en) | 2018-02-11 | 2018-02-11 | Auto-parallel power supply system based on diesel generating set |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861300A (en) * | 2018-12-21 | 2019-06-07 | 国网浙江省电力有限公司杭州供电公司 | A kind of 10kV generator car power failure grid integration method in short-term |
| CN110265903A (en) * | 2019-07-23 | 2019-09-20 | 合肥康尔信电力系统有限公司 | Diesel generating set grid-connected system |
| CN111509779A (en) * | 2020-04-29 | 2020-08-07 | 合肥康尔信电力系统有限公司 | Parallel bus multi-output power supply and switching control system of diesel generating set |
| CN113555898A (en) * | 2021-07-12 | 2021-10-26 | 北京华鼎电源集团有限公司 | Island black start mode of high-voltage gas generator set |
-
2018
- 2018-02-11 CN CN201820246126.0U patent/CN208142843U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861300A (en) * | 2018-12-21 | 2019-06-07 | 国网浙江省电力有限公司杭州供电公司 | A kind of 10kV generator car power failure grid integration method in short-term |
| CN110265903A (en) * | 2019-07-23 | 2019-09-20 | 合肥康尔信电力系统有限公司 | Diesel generating set grid-connected system |
| CN111509779A (en) * | 2020-04-29 | 2020-08-07 | 合肥康尔信电力系统有限公司 | Parallel bus multi-output power supply and switching control system of diesel generating set |
| CN111509779B (en) * | 2020-04-29 | 2021-09-07 | 合肥康尔信电力系统有限公司 | Parallel bus multi-output power supply and switching control system of diesel generating set |
| CN113555898A (en) * | 2021-07-12 | 2021-10-26 | 北京华鼎电源集团有限公司 | Island black start mode of high-voltage gas generator set |
| CN113555898B (en) * | 2021-07-12 | 2023-10-24 | 北京华鼎电源集团有限公司 | Island black starting method of high-pressure gas generator set |
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