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A Method of Checking Power Consumption Data Related to Theoretical Calculation of Line Loss
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A technology of power consumption data and theoretical calculation, applied in the field of verification, which can solve the problems of wrong wiring, too much measured data, failure of the power metering device in the station area, etc.
Active Publication Date: 2019-10-15
CHINA ELECTRIC POWER RES INST +2
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Problems solved by technology
However, due to the complex structure of the distribution network, distribution transformers have many points and wide areas, management is difficult, and the theoretical line loss calculation workload is very large, and the actual measurement data is very large. During the actual measurement process, there will be failures of the power metering device in the station area, wrong wiring, Mistakes, omissions, estimates, and miscalculations by meter readers
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Embodiment 1
[0044] like figure 1 , the calibration method includes the following steps:
[0045] Step 1: Define the measured station area table;
[0046] Step 2: Check whether the electricity consumption data in the measured station area table is credible;
[0048] Step 4: Check whether the power consumption data in the partial pressure statistics table and the non-destructive electricity meter are credible.
[0049] In said step 1, the measured station area table includes the information of the actually measured station area and the electricity consumption data of the actually measured station area;
[0050] The information of the measured station area includes the name, number, area, county and city and attribute of the measured station area;
[0051] The power consumption data of the measured platform area includes the power supply radius R tq , the total length of the low-voltage line...
Embodiment 2
[0087] The partial pressure statistics table and the non-destructive electricity meter of a certain province are Table 3 and Table 4 respectively:
[0088] table 3
[0089]
[0090]
[0091] Table 4
[0092] Voltage level whole network 500kV 220kV 66kV 35kV 10kV Lossless power 48897.0 0 19972.0 29514.2 0 753.7
[0093] Check whether the data in Table 3 and Table 4 are credible, and the conclusions are as follows:
[0094] (1) In 66kV data, lossless power supply S ws =74961.15MWh, lossy power supply S ys =13062.93MWh, the difference between the two is 61898.22MWh, and the lossless power S NOL =29514.2MWh, S ws , S ys and S NOL The data of the three are inconsistent and the data is not credible.
[0095] (2) Lossy average power P ys The calculation results are shown in Table 5:
[0096] table 5
[0097] Voltage level 500kV 220kV 66kV 35kV 10kV 380V Lossy average power P ys
5441.1 3375.5 431.8 ...
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Abstract
The invention provides an electricity data check method relevant to line loss theoretical calculation. The method comprises steps that, an actual-measurement region table is defined, whether electricity data of the actual-measurement region table is credible is checked; a voltage division statistical table and a lossless electric quantity table are defined; whether electricity data of the voltage division statistical table and the lossless electric quantity table is credible is checked. The electricity data check method relevant to line loss theoretical calculation is employed to check the data of transmission networks and distribution networks, and all data are covered through the method; inner link among data is researched, transverse and longitudinal comparison of the data is carried out, data credibility is deeply verified, check on the data is not only realized on the surface, reliability of the data acquired by an automatic data resource acquisition system can be further detected, and technological support is provided for line loss theoretical calculation work of various companies.
Description
technical field [0001] The invention relates to a checking method, in particular to a checking method of power consumption data related to theoretical calculation of line loss. Background technique [0002] The line loss rate is an important economic and technical indicator for power supply enterprises, and it is also a comprehensive technical indicator that characterizes the level of power system planning and design, production technology and management. Therefore, line loss management has always been the focus of power supply enterprise management. [0003] Theoretical line loss calculation is the basic work of line loss management. In order to grasp the distribution and composition of power loss in the power grid, find out the weak links of the power grid, clarify the direction of loss reduction, and use scientific theories to guide line loss management, power grid planning, and operation management, all power companies carry out theoretical line loss calculations every ...
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