CN105552879A - Planning method based on urban small-scale wind power generation discrete distribution - Google Patents

Abstract

The invention discloses a planning method based on urban small-scale wind power generation discrete distribution. The method includes: detecting the generating total power, dividing groups, performing grouping and networking, and performing adjustment and maintenance. According to the method, wind power generation equipment of various types can be managed in a centralized manner, the conditions of generation and operation of the wind power generation equipment are effectively and reasonably regulated and controlled according to the condition of the wind power generation equipment and the condition of urban wind power distribution, the utilization rate of the wind power generation equipment is greatly realized, the comprehensive utilization rate of urban wind power generation is increased, the usage cost is reduced, and the urban power supply pressure is relieved.

Description

A planning method based on discrete distribution of urban small wind power generation

technical field

The invention relates to a planning method based on discrete distribution of urban small-scale wind power generation, which belongs to the technical field of wind power generation.

Background technique

At present, in the national power grid, three sine wave alternating currents are the main power supply methods. However, with the advancement of solar power generation technology, the shortage of power supply in the national grid and the strengthening of people's awareness of environmental protection, on the one hand, in order to meet the needs of urban night lighting, on the other hand On the one hand, in order to reduce the pressure of urban power supply, a large number of electrical appliances relying on wind power generation have been widely promoted and used, such as street lighting systems, traffic lighting systems, and landscape lighting systems. It has also increased rapidly, and has become an important source of urban power supply. Its power supply potential is huge. However, due to the lack of unified and effective management of the distribution of wind power generation equipment in the city, its distribution area is extremely wide and loose, and the power generation efficiency of the equipment is low. It is chaotic, and the freedom of wind power generation equipment installation in various areas of the city is relatively high. At the same time, the distribution of wind power in different areas of the city is also different, which also causes many disadvantages such as unreasonable equipment operation rate, which leads to the relatively large amount of theoretical power generated by wind power generation equipment in the city. Large, but the phenomenon of extremely low effective Li Yongli, resulting in a great waste of resources, therefore, the effective and reasonable planning of urban wind power generation equipment, greatly excavating the power supply potential of urban wind power generation equipment is the current development and development of urban small wind power generation equipment important topic of urban planning.

Contents of the invention

The purpose of the present invention is to overcome the above disadvantages and provide a planning method based on the discrete distribution of urban small-scale wind power generation.

To achieve the above object, the present invention is achieved through the following technical solutions:

A planning method based on the discrete distribution of urban small-scale wind power generation, including:

The first step: Detect the total power of power generation, collect the quantity, distribution range and power generation capacity of all wind power generation equipment in the whole city or in a certain area, and determine the maximum theoretical value of the current overall wind power generation capacity of the city;

Step 2: Divide into groups. According to the actual power generation capacity of wind power generation equipment, plan wind power generation equipment of the same level into one category. According to the effective power generation efficiency of wind power generation equipment, divide equipment with the same The power generation capacity and power generation efficiency of power generation equipment are classified as a whole, and all the measured distribution areas of wind power equipment are divided into several high-efficiency power generation areas, medium-efficiency power generation areas and low-efficiency power generation areas based on the principle of proximity;

Step 3: Networking in groups. According to the divided power generation areas, each high-efficiency power generation area, medium-efficiency power generation area and low-efficiency power generation area are connected according to their respective division levels to form a high-efficiency network, a medium-efficiency network and a low-efficiency network. The high-efficiency network and the medium-efficiency network are connected and integrated with the national power supply grid, and the low-efficiency network is used as an auxiliary adjustment energy supply to connect with the high-efficiency network and the medium-efficiency network respectively;

Step 4: Adjustment and maintenance. According to the divided high-efficiency power generation area, medium-efficiency power generation area and low-efficiency power generation area, when maintaining wind power generation equipment, the high-efficiency power generation area and the medium-efficiency power generation area will be taken as key maintenance areas. The high-efficiency power generation area is next, and when the power generation equipment needs to be replaced due to failure, the equipment with high power generation capacity in the low-efficiency area will be gradually replaced by the high-efficiency power generation area and the medium-efficiency power generation area. Equipment with low power generation capacity is replaced to low-efficiency power generation areas.

The invention can centrally manage various types of wind power generation equipment, and effectively regulate the power generation and operation of wind power generation equipment according to the conditions of wind power generation equipment and the distribution of urban wind power, thereby greatly utilizing wind power generation. The utilization rate of equipment, thereby improving the comprehensive utilization rate of urban wind power generation, reducing its use cost, and helping to alleviate the pressure on urban power supply.

detailed description

In order to facilitate understanding, the present invention is described below by specific examples:

Example 1: In the solar power generation equipment in a certain city, there are 5000 solar wind power generating circuit lights with a total power generation capacity of 1700kw/h, and 1000 solar wind power traffic lights with a total power generation capacity of 300kw/h.

Step 1: Detect the total power of power generation, and collect the quantity, distribution range and power generation capacity of all wind power generation equipment in the city or in a certain area. Among the solar power generation equipment, there are 5,000 solar wind power generation circuit lights, and the total power generation capacity is 1700kw /h, the total power generation capacity of 1000 solar wind traffic lights is 300kw/h, of which wind power generation accounts for 40% of the total power generation, so the theoretical maximum wind power generation value is 800kw/h;

Step 2: Divide into groups. According to the actual power generation capacity of wind power generation equipment, plan wind power generation equipment of the same level into one category. According to the effective power generation efficiency of wind power generation equipment, divide equipment with the same The power generation capacity and power generation efficiency of power generation equipment are classified as a whole, and all the measured distribution areas of wind power equipment are divided into several high-efficiency power generation areas, medium-efficiency power generation areas and low-efficiency power generation areas according to the principle of proximity. The total power generation of high-efficiency power generation areas is 300kw/h, the total power generation capacity of the medium-efficiency power generation area is 400kw/h, and the total power generation capacity of the low-efficiency power generation area is 100kw/h;

Step 3: Networking in groups. According to the divided power generation areas, each high-efficiency power generation area, medium-efficiency power generation area and low-efficiency power generation area are connected according to their respective division levels to form a high-efficiency network, a medium-efficiency network and a low-efficiency network. The high-efficiency network and the medium-efficiency network are connected and integrated with the national power supply grid, and the low-efficiency network is used as an auxiliary adjustment energy supply to connect with the high-efficiency network and the medium-efficiency network respectively;

Step 4: Adjustment and maintenance. According to the divided high-efficiency power generation area, medium-efficiency power generation area and low-efficiency power generation area, when maintaining wind power generation equipment, the high-efficiency power generation area and the medium-efficiency power generation area will be taken as key maintenance areas. The high-efficiency power generation area is next, and when the power generation equipment needs to be replaced due to failure, the equipment with high power generation capacity in the low-efficiency area will be gradually replaced by the high-efficiency power generation area and the medium-efficiency power generation area. Equipment with low power generation capacity is replaced to low-efficiency power generation areas.

Embodiment 2: Among the solar power generation equipment in a preset city, there are 10,000 solar wind power street lamps with a total power generation capacity of 3000kw/h, 2000 solar wind power traffic lights with a total power generation capacity of 500kw/h, and 2000 wind power generation equipment for landscape lighting. The total power generation is 10000kw/h.

Step 1: Detect the total power of power generation, and collect the quantity, distribution range and power generation capacity of all wind power generation equipment in the city or in a certain area. Among the solar power generation equipment, there are 10,000 solar wind power street lamps, and the total power generation capacity is 3000kw/ h, the total power generation capacity of 2000 solar wind power traffic lights is 500kw/h, and the total power generation capacity of 2000 wind power generation equipment for landscape lighting is 10000kw/h, of which wind power generation accounts for 60% of the total power generation capacity, so the theoretical maximum wind power generation value is 8100kw/h;

Step 2: Divide into groups. According to the actual power generation capacity of wind power generation equipment, plan wind power generation equipment of the same level into one category. According to the effective power generation efficiency of wind power generation equipment, divide equipment with the same The power generation capacity and power generation efficiency of power generation equipment are classified as a whole, and all the measured distribution areas of wind power equipment are divided into several high-efficiency power generation areas, medium-efficiency power generation areas and low-efficiency power generation areas according to the principle of proximity. The total power generation of high-efficiency power generation areas is 3000kw/h, the total power generation capacity of the medium-efficiency power generation area is 4600kw/h, and the total power generation capacity of the low-efficiency power generation area is 500kw/h;

Step 3: Networking in groups. According to the divided power generation areas, each high-efficiency power generation area, medium-efficiency power generation area and low-efficiency power generation area are connected according to their respective division levels to form a high-efficiency network, a medium-efficiency network and a low-efficiency network. The high-efficiency network and the medium-efficiency network are connected and integrated with the national power supply grid, and the low-efficiency network is used as an auxiliary adjustment energy supply to connect with the high-efficiency network and the medium-efficiency network respectively;

Step 4: Adjustment and maintenance. According to the divided high-efficiency power generation area, medium-efficiency power generation area and low-efficiency power generation area, when maintaining wind power generation equipment, the high-efficiency power generation area and the medium-efficiency power generation area will be taken as key maintenance areas. The high-efficiency power generation area is next, and when the power generation equipment needs to be replaced due to failure, the equipment with high power generation capacity in the low-efficiency area will be gradually replaced by the high-efficiency power generation area and the medium-efficiency power generation area. Equipment with low power generation capacity is replaced to low-efficiency power generation areas.

Claims (1)

1. based on a planing method for the discrete distribution of urban small wind power generation, it is characterized in that: the described planing method based on the discrete distribution of urban small wind power generation comprises:

The first step: detect generating gross power, to city, in whole or certain area, all the quantity of wind power plant, distribution and generating capacity carry out Hui Zhong, determine current city wind-force overall wind power generation ability maximum theoretical;

Second step: divide group, according to actual wind power plant generating capacity, same level wind power plant is planned to a class, according to the effective generating efficiency of wind-powered electricity generation generating equipment, be a class by classification of equipment identical for efficiency, then combine and carry out entirety classification according to wind power plant generating capacity and generating efficiency, and to close on principle, measured all wind power installation distributed areas being divided into some each efficiency power generation districts, middle effect generating district and poor efficiency generating district;

3rd step: grouping networking, according to ready-portioned generating district, respectively respective divided rank piecewise connection is pressed in each efficiency power generation district, middle effect generating district and poor efficiency generating district, and form efficient net, middle effect net and poor efficiency net, and carrying out grid-connected with national power supply grid after efficient net and middle effect net are connected integration, poor efficiency net is connected with efficient net and middle effect net respectively as auxiliary adjustment energy supply;

4th step: adjustment and maintenance, according to divided efficiency power generation district, middle effect generating district and poor efficiency generating district when safeguarding wind power plant, by efficiency power generation district and the middle district that generates electricity of imitating as emphasis servicing area, take second place in poor efficiency generating district, and when generating equipment needs to change because of fault, the equipment of the high generating capacity in poor efficiency district is progressively changed to efficiency power generation district and middle effect generating district, by the low generating capacity equipment replacement in efficiency power generation district, middle effect generating district to poor efficiency generating district.