CN105186488A - Novel method for simulating complex high-voltage power supply and distribution system by using reverse voltage boosting of transformer - Google Patents
Novel method for simulating complex high-voltage power supply and distribution system by using reverse voltage boosting of transformer Download PDFInfo
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- CN105186488A CN105186488A CN201510423357.5A CN201510423357A CN105186488A CN 105186488 A CN105186488 A CN 105186488A CN 201510423357 A CN201510423357 A CN 201510423357A CN 105186488 A CN105186488 A CN 105186488A
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Abstract
The invention discloses a novel method for simulating a complex high-voltage power supply and distribution system by using the reverse voltage boosting of a transformer. A power source is applied to the secondary side of a substation transformer from a lower-voltage power source of a construction temporary power source, and a high-voltage power source can be obtained at the primary side of the substation transformer, and therefore, reverse step-by-step power supply for the whole high-voltage system can be realized, and whether all signals and technologies satisfy design requirements can be verified. The method is executed after all individual tests of the high-voltage power supply and distribution system are completed, and the normal operation state of the whole high-voltage system can be simulated, the method can be executed by means of the resources of the high-voltage power supply and distribution system itself, and any debugging equipment is not needed to be additionally adopted, and therefore, the method is easy to be implemented, and debugging cost can be greatly reduced, and an excellent debugging effect can be ensured.
Description
Technical field
The present invention relates to a kind of adjustment method of high-pressure system, be specifically related to the new method of a kind of high-voltage power supply and distribution system debugging.
Background technology
In factory's high-voltage power supply and distribution system, the debugging of high-pressure system is a very crucial technology, and being also a great problem, is integrated to knowledge, manpower and technology one.No matter be that the process repeatedly with strict test and test is needed for 110KV, 35KV, 10KV or the high voltage debugging of the user side of low pressure 400V, especially the first powered all functions of some newly-built large-scale electric power systems must normally be run, therefore must simulate the conditions and environment that whole system is normally run after high pressure monomer assays completes, whether meet the requirements to examine its system debug quality and verification system design.
In factory power supply system, high-voltage power supply and distribution system is the power core of whole factory, also be the main generation area of special significant blackouts accident, high-voltage power supply and distribution system fault trip spread area is larger, generally be systematicness to have a power failure, this kind of accident interruption can cause the massive losses of factory, and its recovery time is long, trouble shoot difficulty.For this reason modern high-voltage power supply and distribution system design is complicated, and protected species is various, conditional and locking each other.Especially be all adopt centralized control screen for some large-scale main transformers, the measurement of all switch cubicles and control signal etc. all must be sent in centralized control screen by control cables, very heavy for the debugging task of high-pressure system the system that design is complicated; Secondly, the powered process procedures for Large-scale High-Pressure power supply-distribution system is loaded down with trivial details, and electric pressure is higher, and it is stricter to stop power transmission program, often absolutely not allows the mishap that appearance is any.Moreover the high pressure of complexity large-scale is at present for distribution, and its power supply progression is more, often change to 400V low pressure again, until user side for 110KV becomes 35KV, 35KV change 10KV, 10KV.In view of above three reasons, the debugging of the high-voltage power supply and distribution system of complexity is had higher requirement, the relationship between quality of debugging is to the size of the powered whether smooth and operation troubles rate of system, often systematic analogue test cannot be carried out after the every monomer assays of high pressure completes, can whether can not verify to effective system various signal can accurately transmit and control and mutually mate between various control signal, whether design meets the demands.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of new method utilizing the anti-Simulation of Complex high-voltage power supply and distribution system debugging of boosting of transformer, the debugging overcoming prior art mesohigh power supply-distribution system is complicated, debugging task is heavy and single parameter cannot the problem of emerging system.
Technical scheme of the present invention is: a kind of new method utilizing the anti-Simulation of Complex high-voltage power supply and distribution system debugging of boosting of transformer, from the low-tension supply of construction temporary source, power supply is applied to the secondary side of station local coordinate frame, become primary side at station and can obtain high voltage source, power step by step to whole high-pressure system is reverse with this, to verify whether all signals and technology meet designing requirement.
Utilize the new method of the anti-Simulation of Complex high-voltage power supply and distribution system debugging of boosting of transformer, comprise the steps:
(1) data analysis is carried out to the capacity that 35KV/10KV main transformer and the 10KV/400V station of this system become, the moment impact electric current of main transformer and the no-load current of main transformer is calculated according to the nameplate data of main transformer, the moment impact electric current of the secondary side utilizing the value conversion of the moment impact electric current of main transformer and the no-load current of main transformer to become to station and no-load current, the conversion of all electric currents is all inversely proportional; Select the size of respective switch according to the size of current of the moment impact current value of secondary side, select the sectional area of the 400V construction temporary source cable needed for anti-boosting according to the no-load current current value of secondary side;
(2) three-phase four-wire system construction temporary source is added according to the data in step (1) at construction temporary source switch place, close construction temporary source switch, now station change primary side induces 10KV voltage, and as the voltage source of 10KV, 10KV bus is all charged;
(3) close 10KV service entrance switch, and now main transformer is charged, and main transformer primary side induces the voltage of 35KV grade;
(4) close 35KV switch, and now 35KV bus is all with high-tension electricity.
Described main transformer and station change are two.
Beneficial effect of the present invention is: the inventive method is carried out after all monomer assays of high-voltage power supply and distribution system complete, the normal operating condition of whole high-pressure system can be simulated, and be utilize the resource of high-voltage power supply and distribution system self to carry out, without the need to newly-increased any commissioning device, simple, greatly reduce debugging cost, and ensure well to debug effect.
Accompanying drawing explanation
Fig. 1 the present invention utilizes the new method circuit diagram of the anti-Simulation of Complex high-voltage power supply and distribution system debugging of boosting of transformer.
Embodiment
Below in conjunction with accompanying drawing for a 35KV high-voltage power supply and distribution system, the present invention is described in detail.
Its electric power system figure is as accompanying drawing: as can be seen from the figure, and this system is divided into three levels, and first level is 35KV system, mainly comprise the main transformer of two 35KV/10KV, the second level is 10KV system, and the station containing two 10KV/400V becomes, and the third level is the distribution of low pressure 400V.
1, data analysis is carried out to the capacity that main transformer and the station of this system become, the moment impact electric current I 1 of main transformer and the no-load current I2 of main transformer is calculated according to the nameplate data of main transformer, the moment impact electric current I 3 of the secondary side utilizing the value conversion of I1 and I2 to become to station and no-load current I4, the conversion of all electric currents is all inversely proportional.Select the size of 3-1 and 3-2 switch according to the size of current of I3 value, select the sectional area of the 400V construction temporary source cable needed for anti-boosting according to I4 current value.
2, add the construction temporary source of three-phase four-wire system 400V at 4-1 and 4-2 place according to the data in step 1, close 4-1 and 4-2 switch, close 3-1 and 3-2 switch again, now 1# station change and 2# station change primary side induce 10KV voltage, as the voltage source of 10KV, 1#10KV and 2#10KV bus is all charged.
3. close 2-1 and 2-210KV service entrance switch, now 1# main transformer and 2# main transformer charged, main transformer primary side induces the voltage of 35KV grade.
4, close 1-1 and 1-235KV switch, and now 1#35KV bus and 2#35KV bus are all with high-tension electricity.
By above-mentioned steps, whole high-pressure system is reverse charged, and whether simulation normal power supply completes, normal by the control and signal of simulating normal testing results whole system.
Although be described the preferred embodiments of the present invention by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make a lot of form, these all belong within protection scope of the present invention.
Claims (3)
1. one kind utilizes the new method of the anti-Simulation of Complex high-voltage power supply and distribution system debugging of boosting of transformer, it is characterized in that, from the low-tension supply of construction temporary source, power supply is applied to the secondary side of station local coordinate frame, become primary side at station and can obtain high voltage source, power step by step to whole high-pressure system is reverse with this, to verify whether all signals and technology meet designing requirement.
2. utilize the new method of the anti-Simulation of Complex high-voltage power supply and distribution system debugging of boosting of transformer according to claim 1, it is characterized in that, comprise the steps:
(1) data analysis is carried out to the capacity that 35KV/10KV main transformer and the 10KV/400V station of this system become, the moment impact electric current of main transformer and the no-load current of main transformer is calculated according to the nameplate data of main transformer, the moment impact electric current of the secondary side utilizing the value conversion of the moment impact electric current of main transformer and the no-load current of main transformer to become to station and no-load current, the conversion of all electric currents is all inversely proportional; Select the size of respective switch according to the size of current of the moment impact current value of secondary side, select the sectional area of the 400V construction temporary source cable needed for anti-boosting according to the no-load current current value of secondary side;
(2) three-phase four-wire system construction temporary source is added according to the data in step (1) at construction temporary source switch place, close construction temporary source switch, now station change primary side induces 10KV voltage, and as the voltage source of 10KV, 10KV bus is all charged;
(3) close 10KV service entrance switch, and now main transformer is charged, and main transformer primary side induces the voltage of 35KV grade;
(4) close 35KV switch, and now 35KV bus is all with high-tension electricity.
3. utilize the new method of the anti-Simulation of Complex high-voltage power supply and distribution system debugging of boosting of transformer according to claim 2, it is characterized in that, described main transformer and station change are two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510423357.5A CN105186488A (en) | 2015-07-17 | 2015-07-17 | Novel method for simulating complex high-voltage power supply and distribution system by using reverse voltage boosting of transformer |
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| CN201510423357.5A CN105186488A (en) | 2015-07-17 | 2015-07-17 | Novel method for simulating complex high-voltage power supply and distribution system by using reverse voltage boosting of transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596489A (en) * | 2019-09-10 | 2019-12-20 | 江苏航天大为科技股份有限公司 | Novel auxiliary debugging method for power distribution system of rail transit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1041093A (en) * | 1996-07-18 | 1998-02-13 | Origin Electric Co Ltd | High voltage generating device for x-rays |
| CN104198832A (en) * | 2014-07-09 | 2014-12-10 | 中冶建工集团有限公司 | Comprehensive inspecting and testing method for high voltage power transformer and distribution substation |
-
2015
- 2015-07-17 CN CN201510423357.5A patent/CN105186488A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1041093A (en) * | 1996-07-18 | 1998-02-13 | Origin Electric Co Ltd | High voltage generating device for x-rays |
| CN104198832A (en) * | 2014-07-09 | 2014-12-10 | 中冶建工集团有限公司 | Comprehensive inspecting and testing method for high voltage power transformer and distribution substation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596489A (en) * | 2019-09-10 | 2019-12-20 | 江苏航天大为科技股份有限公司 | Novel auxiliary debugging method for power distribution system of rail transit |
| CN110596489B (en) * | 2019-09-10 | 2020-05-12 | 江苏航天大为科技股份有限公司 | Novel auxiliary debugging method for power distribution system of rail transit |
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