CN106204336A - A kind of distribution network reliability computational methods gathered based on power information - Google Patents
A kind of distribution network reliability computational methods gathered based on power information Download PDFInfo
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Abstract
本发明涉及一种基于用电信息采集的配电网供电可靠性计算方法,根据各个采集终端的停上电记录,计算配电网可靠性指标,本发明无需工作人员手工录入信息,计算简单,可以真实可靠反映供电公司的配电网供电可靠性,为供电公司的管理决策提供科学依据。The present invention relates to a distribution network power supply reliability calculation method based on the collection of power consumption information. According to the power-off and power-on records of each collection terminal, the reliability index of the distribution network is calculated. The present invention does not require staff to manually enter information, and the calculation is simple. It can truly and reliably reflect the power supply reliability of the distribution network of the power supply company, and provide a scientific basis for the management decision-making of the power supply company.
Description
技术领域technical field
本发明涉及一种基于用电信息采集的配电网供电可靠性计算方法。The invention relates to a method for calculating power supply reliability of a distribution network based on electricity consumption information collection.
背景技术Background technique
目前,供电可靠性是考核供电系统电能质量的重要指标,反映了供电企业对用户电能需求的满足程度,更代表供电公司的服务水平。当前,配电网供电可靠性计算都是根据各个供电公司提供的停上电记录进行分析计算,但在工作中经常存在供电公司提供数据不及时或提供数据不真实的现象,从而给配电网的供电可靠性计算带来困难,进而会误导上级供电公司的管理决策。At present, power supply reliability is an important index for assessing the power quality of the power supply system, reflecting the degree to which the power supply company meets the user's power demand, and it also represents the service level of the power supply company. At present, the power supply reliability calculation of the distribution network is based on the analysis and calculation of the power outage records provided by each power supply company. The calculation of power supply reliability will bring difficulties, which will mislead the management decision of the superior power supply company.
有鉴于此,发明一种不依赖于供电公司提供数据的配电网供电可靠性计算方法在实际工作中尤为重要。In view of this, it is particularly important in practical work to invent a method for calculating the reliability of distribution network power supply that does not depend on the data provided by the power supply company.
发明内容Contents of the invention
本发明的目的在于克服现有技术的缺陷,提供一种基于用电信息采集的配电网供电可靠性计算方法, 该方法得到的供电公司的配电网供电可靠性真实可靠,能够为供电公司的管理决策提供科学依据。The purpose of the present invention is to overcome the defects of the prior art and provide a method for calculating the reliability of distribution network power supply based on the collection of electricity consumption information. provide a scientific basis for management decisions.
为了实现上述目的,本发明采取的技术方案如下:In order to achieve the above object, the technical scheme that the present invention takes is as follows:
一种基于用电信息采集的配电网供电可靠性计算方法,其关键技术在于,根据各个采集终端的停上电记录,计算配电网可靠性指标。A distribution network power supply reliability calculation method based on electricity consumption information collection, the key technology of which is to calculate the distribution network reliability index according to the power-off and power-on records of each collection terminal.
作为本发明进一步的改进,具体包括如下步骤:As a further improvement of the present invention, it specifically includes the following steps:
(1)根据用电信息采集系统数据库存储的采集终端停上电记录,利用公式(1)计算得到供电公司辖区内配电网第i 次停电的持续时间T i ,(1) According to the power-off and power-on records of the collection terminal stored in the database of the power consumption information collection system, use the formula (1) to calculate the duration T i of the i -th power outage of the distribution network within the jurisdiction of the power supply company,
(1); (1);
式中:In the formula:
T i 为供电公司辖区内配电网第i 次停电持续时间,单位小时; T i is the duration of the i -th power outage of the distribution network within the jurisdiction of the power supply company, in hours;
T R i 为供电公司辖区内配电网第i 次停电所对应的采集终端停上电记录的上电时间; TR i is the power-on time of the power-off and power-on record of the collection terminal corresponding to the i -th power outage of the distribution network within the jurisdiction of the power supply company;
T L i 为供电公司辖区内配电网第i 次停电所对应的采集终端停上电记录的停电时间; TL i is the power outage time of the collection terminal corresponding to the i -th power outage of the distribution network within the jurisdiction of the power supply company;
(2)根据公式(2)计算得到供电公司辖区内配电网的用户平均停电时间AIHC-1,(2) According to formula (2), the average power outage time AIHC-1 of users in the distribution network within the jurisdiction of the power supply company is calculated,
(2); (2);
式中:In the formula:
AIHC-1 为供电公司辖区内配电网的用户平均停电时间,单位为小时/户;AIHC-1 is the average power outage time of users in the distribution network within the jurisdiction of the power supply company, and the unit is hour/household;
N i 为供电公司辖区内配电网第i 次停电对应采集终端所在台区下的总用户数 N i is the total number of users under the station area where the collection terminal is located for the i -th power outage of the distribution network within the jurisdiction of the power supply company
N t 为供电公司辖区内配电网发生过的总停电次数; N t is the total number of power outages that have occurred in the distribution network within the jurisdiction of the power supply company;
N j 为采集终端j 所在台区下的总用户数; N j is the total number of users under the station area where the collection terminal j is located;
N c 为供电公司辖区内配电网的采集终端总数; N c is the total number of collection terminals in the distribution network within the jurisdiction of the power supply company;
T i 为供电公司辖区内配电网第i 次停电持续时间,单位为小时; T i is the duration of the i -th power outage of the distribution network within the jurisdiction of the power supply company, in hours;
(3)根据公式(3)计算得到供电公司c 辖区内配电网的供电可靠率RS-1,(3) According to the formula (3), the power supply reliability rate RS-1 of the distribution network in the jurisdiction of the power supply company c is obtained,
(3); (3);
式中:In the formula:
T 为统计时间。 T is the statistical time.
(4)根据公式(4)计算得到供电公司辖区内配电网的用户平均停电次数AITC-1,(4) According to the formula (4), the average number of power outages AITC-1 of users in the distribution network within the jurisdiction of the power supply company is calculated,
(4); (4);
式中:In the formula:
AITC-1供电公司辖区内配电网的用户平均停电次数,单位为次/户;The average number of power outages of users in the distribution network within the jurisdiction of AITC-1 power supply company, the unit is times/household;
N i 为供电公司辖区内配电网第i 次停电对应采集终端所在台区下的总用户数; N i is the total number of users under the station area where the collection terminal is located corresponding to the i -th power outage of the distribution network within the jurisdiction of the power supply company;
N t 为供电公司辖区内配电网发生过的总停电次数; N t is the total number of power outages that have occurred in the distribution network within the jurisdiction of the power supply company;
N j 为采集终端j 所在台区下的总用户数; N j is the total number of users under the station area where the collection terminal j is located;
N c 为供电公司辖区内配电网的采集终端总数。 N c is the total number of collection terminals in the distribution network within the jurisdiction of the power supply company.
进一步地,所述时间T为统计时间,取8760小时,即1年所包含的小时数。Further, the time T is a statistical time, which is 8760 hours, that is, the number of hours included in one year.
进一步地,所述采集终端指集中器或专变终端。Further, the collection terminal refers to a concentrator or a dedicated terminal.
进一步地,所述配电网的每一次停电对应一条采集终端停上电记录。Further, each power outage of the distribution network corresponds to a power-off and power-on record of the collection terminal.
本发明基本原理如下:Basic principle of the present invention is as follows:
现在配电网电力用户基本都实现了用电信息采集,用电信息采集系统数据库中每一条的采集终端停上电记录即对应一次配电网停电事件。同时,电信息采集系统数据库中存储有每个采集终端下的电力用户数目。因此,利用上述信息即可快速计算出用户平均停电时间、供电可靠率、用户平均停电次数等常用的配电网可靠性指标,无需工作人员手工录入信息。Now the power users of the distribution network have basically realized the collection of electricity consumption information, and each collection terminal power-off record in the database of the power consumption information collection system corresponds to a power outage event of the distribution network. At the same time, the database of the electricity information collection system stores the number of electricity users under each collection terminal. Therefore, using the above information, the commonly used distribution network reliability indicators such as the average power outage time of users, the reliability rate of power supply, and the average number of power outages of users can be quickly calculated without manual input of information by staff.
与现有技术相比,本发明所取得的有益效果如下:Compared with prior art, the beneficial effect that the present invention obtains is as follows:
本发明能根据各个采集终端的停上电记录,快速计算得到各个市、县、所级供电单位的配电网供电可靠性,无需工作人员手工录入信息,计算简单,可以真实可靠反映供电公司的配电网供电可靠性,为供电公司的管理决策提供科学依据。The invention can quickly calculate and obtain the power supply reliability of the distribution network of each city, county, and department-level power supply unit according to the power-off and power-on records of each collection terminal, without the need for staff to manually enter information, and the calculation is simple, and can truly and reliably reflect the power supply company's reliability. The power supply reliability of the distribution network provides a scientific basis for the management decision-making of the power supply company.
具体实施方式detailed description
为使本发明的目的、技术方案和优点更加清楚,下面结合具体实施例对发明进行清楚、完整的描述。In order to make the purpose, technical solution and advantages of the present invention clearer, the invention will be clearly and completely described below in conjunction with specific embodiments.
实施例1Example 1
供电公司c 的采集终端明细如表1所示:The collection terminal details of power supply company c are shown in Table 1:
表1 采集终端明细
一年内供电公司c 的采集终端停上电记录如表2所示:Table 2 shows the power-off and power-on records of the acquisition terminal of power supply company c within one year:
表2 采集终端停上电记录
由表2可知,供电公司c 辖区的配电网在统计时间内共发生8次停电。It can be seen from Table 2 that there were 8 power outages in the distribution network of power supply company c jurisdiction during the statistical time.
通过公式(1)计算得到供电公司c 辖区内配电网每次停电持续时间T i ,如表3所示:The duration T i of each power outage of the distribution network within the jurisdiction of the power supply company c is calculated by formula (1), as shown in Table 3:
表3 配电网每次停电持续时间T iT i
根据公式(2)计算得供电公司c 辖区内配电网的用户平均停电时间AIHC-1为0.9240小时/户。Calculated according to the formula (2), the average power outage time AIHC-1 of users in the distribution network of the power supply company c is 0.9240 hours/household.
根据公式(3)计算得供电公司c 辖区内配电网的供电可靠率RS-1为99.9895%。According to the formula (3), the power supply reliability rate RS-1 of the distribution network in the jurisdiction of the power supply company c is 99.9895%.
根据公式(4)计算得供电公司c 辖区内配电网的用户平均停电次数AITC-1为0.5796次/户。Calculated according to formula (4), the average number of power outages AITC-1 of users in the distribution network within the jurisdiction of power supply company c is 0.5796 times/household.
以上所述实施方式仅为本发明的优选实施例,而并非本发明可行实施的穷举。对于本领域一般技术人员而言,在不背离本发明原理和精神的前提下对其所作出的任何显而易见的改动,都应当被认为包含在本发明的权利要求保护范围之内。The implementation manners described above are only preferred embodiments of the present invention, rather than an exhaustive list of feasible implementations of the present invention. For those skilled in the art, any obvious changes made without departing from the principle and spirit of the present invention should be considered to be included in the protection scope of the claims of the present invention.
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CN108229863B (en) * | 2018-03-01 | 2021-09-14 | 福建永福电力设计股份有限公司 | Power supply reliability calculation method for power distribution network |
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