RU92015582A - FEDYARIN METHOD OF MEASURING POWER OF DISTORTIONS OF ELECTRIC NETWORK ELECTRONIC COUNTER AND DEVICE FOR ITS IMPLEMENTATION - Google Patents

FEDYARIN METHOD OF MEASURING POWER OF DISTORTIONS OF ELECTRIC NETWORK ELECTRONIC COUNTER AND DEVICE FOR ITS IMPLEMENTATION

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Publication number
RU92015582A
RU92015582A RU92015582/10A RU92015582A RU92015582A RU 92015582 A RU92015582 A RU 92015582A RU 92015582/10 A RU92015582/10 A RU 92015582/10A RU 92015582 A RU92015582 A RU 92015582A RU 92015582 A RU92015582 A RU 92015582A
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RU
Russia
Prior art keywords
power
phase
measuring
distortion
voltage
Prior art date
Application number
RU92015582/10A
Other languages
Russian (ru)
Other versions
RU2091802C1 (en
Inventor
Е.В. Дубинский
Е.Б. Казанский
Е.П. Кучаенко
Е.И. Рожнов
А.А. Рябов
П.А. Федярин
Original Assignee
Научно-производственная фирма "Прорыв"
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Publication date
Application filed by Научно-производственная фирма "Прорыв" filed Critical Научно-производственная фирма "Прорыв"
Priority to RU92015582A priority Critical patent/RU2091802C1/en
Priority claimed from RU92015582A external-priority patent/RU2091802C1/en
Publication of RU92015582A publication Critical patent/RU92015582A/en
Application granted granted Critical
Publication of RU2091802C1 publication Critical patent/RU2091802C1/en

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Claims (1)

Способ Федярина измерения мощности искажений электрической сети электронным счетчиком и устройство для его осуществления относятся к электроизмерительной технике и могут быть использованы в аппаратуре учета электроэнергии в энергосетях. Изобретение обеспечивает оценку качества электроэнергии в месте установки электросчетчика. Способ измерения мощности искажений электрической сети включает измерение активной и реактивной мощности; кроме того дополнительно измеряют тангенс углов сдвига между напряжением и током каждой фазы, а величину мощности искажений электрической сети вычисляют по формуле:
Figure 00000001

Figure 00000002

n ≤ (1,N) - число фаз электросети; Pn - активная мощность n-й фазы; Qn - реактивная мощность n-й фазы; Nφn - количество импульсов частоты заполнения пропорциональное углу сдвига между напряжением и током n-й фазы; Nf n - количество импульсов частоты заполнения, пропорциональное частоте электросети. В устройство измерения мощности искажений электрической сети, содержащее приспособление для измерения активной и реактивной мощности, датчик напряжения фазы, датчик тока фазы, дисплей, пульт управления счетчиком, устройство связи с информационной региональной системой, магистраль данных, адреса и прерываний, введены устройство измерения тангенсов углов сдвига между напряжением и током каждой фазы и вычислитель мощности искажений.The Fedyarin method of measuring the power distortion of the electrical network by an electronic meter and a device for its implementation relate to electrical measuring equipment and can be used in electrical energy metering equipment. The invention provides an assessment of the quality of electricity at the place of installation of the meter. The method of measuring the power distortion of the electrical network includes the measurement of active and reactive power; in addition, the tangent of the shear angles between the voltage and the current of each phase is measured, and the power distortion of the electrical network is calculated by the formula:
Figure 00000001

Figure 00000002

n ≤ (1, N) is the number of phases of the power grid; P n is the active power of the nth phase; Q n is the reactive power of the nth phase; Nφ n - the number of pulses of the filling frequency is proportional to the angle of shift between voltage and current of the n-th phase; N f n - the number of pulses of the filling frequency, proportional to the frequency of the power grid. The device for measuring the power distortion of the electrical network, containing a device for measuring active and reactive power, a phase voltage sensor, a phase current sensor, a display, a meter control panel, a communication device with an information regional system, a data line, addresses and interruptions, an angle tangent measurement device the shift between voltage and current of each phase and the distortion power calculator.
RU92015582A 1992-12-30 1992-12-30 Method and device for measuring supply mains power distortions brought in by electronic meter RU2091802C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU92015582A RU2091802C1 (en) 1992-12-30 1992-12-30 Method and device for measuring supply mains power distortions brought in by electronic meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU92015582A RU2091802C1 (en) 1992-12-30 1992-12-30 Method and device for measuring supply mains power distortions brought in by electronic meter

Publications (2)

Publication Number Publication Date
RU92015582A true RU92015582A (en) 1995-04-30
RU2091802C1 RU2091802C1 (en) 1997-09-27

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Family Applications (1)

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Country Status (1)

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RU (1) RU2091802C1 (en)

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