CN215817540U - Wind power plant generated energy metering system sharing main transformer for staged construction - Google Patents
Wind power plant generated energy metering system sharing main transformer for staged construction Download PDFInfo
- Publication number
- CN215817540U CN215817540U CN202122252928.7U CN202122252928U CN215817540U CN 215817540 U CN215817540 U CN 215817540U CN 202122252928 U CN202122252928 U CN 202122252928U CN 215817540 U CN215817540 U CN 215817540U
- Authority
- CN
- China
- Prior art keywords
- main transformer
- gateway
- wind power
- metering system
- current collection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Wind Motors (AREA)
Abstract
The utility model belongs to the technical field of wind power generation, and particularly discloses a wind power plant generated energy metering system and method for constructing a shared main transformer in a staged manner. The utility model provides a wind-powered electricity generation field generated energy measurement system of sharing main transformer is built in stage, includes the main transformer, and the main transformer high-pressure side is provided with the gateway counter, and the main transformer low pressure side is equipped with first stage current collection circuit and a plurality of later stage current collection circuit, all is equipped with supplementary gateway counter between every later stage current collection circuit and the main transformer. When the wind power station metering system is used, an auxiliary gateway meter does not need to be configured on a primary collecting line, so that less metering system equipment is arranged in the whole wind power station, and the stability and the economy of the system are improved.
Description
Technical Field
The utility model belongs to the technical field of wind power generation, and particularly relates to a wind power plant generated energy metering system for sharing a main transformer in a staged construction mode.
Background
With the continuous development of wind power generation technology and installed capacity, the wind power grid-connected electricity price also goes through different stages and pricing modes of bidding, approving electricity price, local desulfurization coal-fired power plant grid-connected electricity price and power grid subsidy, wind power pole grid-connected electricity price and flat price in four types of wind energy resource areas, and the electricity price is in a descending trend integrally. For wind power plants built by stages, due to the fact that power price policies of development projects in different periods are different, the grid-surfing power prices of projects in different periods of the same wind power plant are different, and the whole income of the wind power plants is obviously influenced by a gateway metering mode. For the situation that the different-phase projects share the main transformer, a gateway metering point is generally arranged on the high-voltage side of the main transformer, and the power generation amount of each different-phase project is usually calculated in a mode of arranging an auxiliary gateway point on each collecting line side. In the traditional scheme, gateway electric energy meters are required to be respectively configured on each current collecting circuit, so that the equipment purchase and verification maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind power plant generated energy metering system and method for sharing a main transformer in a staged construction manner, and aims to solve the technical problem of high maintenance cost caused by the fact that an auxiliary gateway metering point is arranged on each power collecting line in the staged construction of the sharing main transformer.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a wind-powered electricity generation field generated energy measurement system of sharing main transformer is built in stage, includes the main transformer, main transformer high-pressure side is provided with the gateway counter, main transformer low pressure side is equipped with first phase current collection circuit and a plurality of later stage current collection circuit, every all be equipped with supplementary gateway counter between later stage current collection circuit and the main transformer.
The utility model is further improved in that: and the gateway meter is connected with a transformer substation.
The utility model is further improved in that: and the auxiliary gateway meter and the gateway meter are both 0.2 s-level gateway electric energy meters.
The utility model is further improved in that: and the auxiliary gateway meter and the gateway meter are both in main-auxiliary double-meter configuration.
Compared with the prior art, the utility model has the following advantages:
according to the wind power plant generating capacity metering system with the shared main transformer built in a staged manner, an auxiliary gateway meter does not need to be configured on a primary collecting line, the metering system equipment of the whole wind power plant is less, and the system stability and the economy are improved.
According to the wind power plant generating capacity metering system sharing the main transformer in the staged construction, the economic benefit brought by greatly reducing the construction cost due to equipment purchase and verification maintenance cost is far greater than the economic loss caused by low calculation of the first-stage generating capacity, so that the metering system has higher economical efficiency and popularization value.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic overall structure diagram of a wind power plant generated energy metering system for constructing a common main transformer in a staged manner.
In the figure: 1. a gateway meter; 2. a main transformer; 3. an auxiliary gateway meter.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the utility model. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model.
The present invention will be described in more detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, in order to achieve the above purpose, the present invention adopts the following technical solutions:
the utility model provides a wind-powered electricity generation field generated energy measurement system of sharing main transformer of staging construction, includes main transformer 2, and 2 high-pressure sides of main transformer are provided with gateway counter 1, and 2 low-pressure sides of main transformer are equipped with first phase current collection circuit and a plurality of later stage current collection circuit, all are equipped with supplementary gateway counter 3 between every later stage current collection circuit and the main transformer 2.
The gateway meter 1 is connected with a transformer substation.
The auxiliary gateway meter 3 and the gateway meter 1 are both 0.2 s-level gateway electric energy meters.
The auxiliary gateway meter 3 and the gateway meter 1 are both in main and auxiliary double-meter configuration, the main meter is normally used, and the auxiliary meter can be replaced and used when the main meter fails.
A method for measuring the generated energy of a wind power plant sharing a main transformer in a staged construction mode comprises the following steps:
summing the electric quantities measured by the auxiliary gateway meters 3 to obtain the total electric quantity of the later-stage collecting line;
the first-stage electric quantity and the later-stage current collection circuit total electric quantity are boosted through the main transformer 2;
the first-stage electric quantity after boosting and the later-stage electric collecting line total electric quantity flow through the gateway meter 1 to measure the total electric quantity, and the total electric quantity is subtracted from the later-stage electric collecting line total electric quantity to obtain the first-stage electric quantity.
And in the process of obtaining the first-stage electric quantity, subtracting the total electric quantity of the later-stage current collection circuit from the total electric quantity, multiplying the total electric quantity of the later-stage current collection circuit by a preset numerical value, and subtracting the total electric quantity of the high-voltage side from the total electric quantity of the low-voltage side of the main transformer of the local power plant of the same type by dividing the total electric quantity of the low-voltage side of the main transformer by the preset numerical value.
It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.
Claims (4)
1. The utility model provides a wind-powered electricity generation field generated energy measurement system of sharing main transformer of staging construction, its characterized in that, includes main transformer (2), main transformer (2) high-pressure side is provided with gateway counter (1), main transformer (2) low pressure side is equipped with first phase current collection circuit and a plurality of later stage current collection circuit, every later stage current collection circuit with all be equipped with supplementary gateway counter (3) between main transformer (2).
2. The wind farm power generation amount metering system for the phased construction of the common main transformer according to claim 1, characterized in that the gateway meter (1) is connected with a substation.
3. The wind farm power generation amount metering system for the phased construction of the common main transformer according to claim 1, wherein the auxiliary gateway meter (3) and the gateway meter (1) are both 0.2 s-level gateway electric energy meters.
4. A wind farm energy production metering system for staging a common main substation according to claim 1 wherein the auxiliary gateway meter (3) and the gateway meter (1) are both in a primary and secondary double table configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252928.7U CN215817540U (en) | 2021-09-16 | 2021-09-16 | Wind power plant generated energy metering system sharing main transformer for staged construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252928.7U CN215817540U (en) | 2021-09-16 | 2021-09-16 | Wind power plant generated energy metering system sharing main transformer for staged construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215817540U true CN215817540U (en) | 2022-02-11 |
Family
ID=80163467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122252928.7U Active CN215817540U (en) | 2021-09-16 | 2021-09-16 | Wind power plant generated energy metering system sharing main transformer for staged construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215817540U (en) |
-
2021
- 2021-09-16 CN CN202122252928.7U patent/CN215817540U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Jiang et al. | Wind energy in China | |
| Zeng et al. | Orderly grid connection of renewable energy generation in China: Management mode, existing problems and solutions | |
| Leão et al. | The future of low voltage networks: Moving from passive to active | |
| Jiang et al. | Growth in wind and sun: Integrating variable generation in China | |
| Gundogdu et al. | Battery SOC management strategy for enhanced frequency response and day-ahead energy scheduling of BESS for energy arbitrage | |
| Chen et al. | Scheduling strategy of hybrid wind-photovoltaic-hydro power generation system | |
| Xiao et al. | Optimal configuration of energy storage for remotely delivering wind power by ultra-high voltage lines | |
| CN106160003B (en) | Method of electric energy metering system of grid-connected wind-solar combined power generation system | |
| CN215817540U (en) | Wind power plant generated energy metering system sharing main transformer for staged construction | |
| Yang et al. | Over-voltage mitigation control strategies for distribution system with high PV penetration | |
| Dong et al. | Capacity Optimization and Economic Evaluation of Battery Energy Storage System for Qinghai Province based on Time Series Simulation Technology | |
| CN113765104A (en) | Wind power plant generating capacity metering system and method for sharing main transformer during staged construction | |
| CN116187509A (en) | Method and device for measuring and calculating production cost of power system | |
| CN113690925A (en) | Energy interaction optimization method and system based on micro-grid | |
| Li et al. | Economic analysis of energy storage peak shaving considering full life cycle cost | |
| Dong et al. | Economic Evaluation of Energy Storage Power Station in Distribution Network | |
| Alguhi et al. | Battery Energy Storage Planning in Distribution Network with Renewable Resources | |
| Li et al. | Capacity Compensation Mechanism of Independent Energy Storage Devices Considering Investment Recovery | |
| CN205945095U (en) | And net type scene integrated power production system's electric energy measurement system | |
| Wang et al. | Research on allocation and economy of energy storage demonstration projects in Shandong Province | |
| Wan et al. | Study on the Electricity Transaction of DG Prosumer under Different Settlement Modes | |
| Li et al. | Analysis of Typical Application Scenarios of Electrochemical Energy Storage Participating in Auxiliary Service of Power System | |
| Yadav et al. | Rural Electrification: Practical Exposition of Hybrid Solar PV-Wind for Grid Integrated Power Systems in India | |
| Hanghang et al. | Considerations of Distributed Photovoltaic Trading Mechanisms in the Participation of Frequency Modulation Ancillary Services Market | |
| Lin et al. | A Review on Virtual Power Plants: Development Progress and Market Participation Mechanisms |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |