SU1486937A1 - Electric power meter - Google Patents

Description

The invention allows to expand the functionality of the counter.

In the electricity meter with telemetry output, a pip of meters of the manufacturer’s and consumer’s quality meters 2 and 3 respectively, a 4 frequency divider, η + η blocks 5 of the tolerance control, a binary-decimal counter 6 and the indicator 7 are entered. This allows you to determine discounts (surcharges) for the quality of electricity . 1 hp f-ly, 2 ill.

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1486937

The invention relates to electrical engineering and can be used in control systems and metering of electricity. $

The purpose of the invention is to expand the functionality by defining discounts (surcharges) for the quality of electricity.

FIG. 1 shows a structural 10 diagram of an electricity meter; in fig. 2 - functional diagram of a binary-decimal reversible counter.

The electricity meter contains an electricity meter 1 with a telemetry output, η meters of quality 2 electricity degraded by the manufacturer, t meters of electricity quality 3 degraded by the consumer, a divider 4 frequencies, 20 η + w blocks 5 tolerance control, a binary decimal reversing counter 6 and indicator 7, with the output of electricity meter 1 with a telemetric output through a divider 4 25

the frequencies are connected to the synchronization input of the binary-decimal · reversing counter 6, the outputs of the producer's power quality meters 2 are connected to the first group of inputs of the binary-decimal reversing counter 6 through the blocks of tolerance control 30 through consumer control power meters 3 of the full-power 35 are connected to a second group of inputs of a binary decimal reversible counter 6, the output of which is connected to an indicator 7.

Binary-decimal reversible to the counter contains the η-input element AND-NOT 8, the he-input element AND-NOT 9, two elements AND-NOT 10 and 11, two inverters 12 and 13 and the reversible counter 14, and the inputs of the η-input element - 45 that AND-NOT 8 is the first group

inputs, and the inputs of the w-input element AND-NOT 9 - the second group of inputs of a binary-decimal reversible counter, the outputs of the p- and ta-input elements AND 8 and 9 through inverters 12 and 13 are connected to the first inputs of the first and second elements I- NOT 10 and 11, respectively, the second inputs of which are connected respectively to the outputs of the traffic police n-input elements AND-NOT 9 and 8, the third are combined and are the synchronization input of the binary-decimal reversing counter, and the outputs are connected to the addition and subtraction inputs of the reversible counter 14, respectively, exit which It is the output of the BCD down counter.

The proposed device works as follows.

At acceptable levels of power quality indicators, voltage ”1" is present at the outputs of the tolerance control units 5, therefore the passage of pulses and the counting of a binary-decimal reversible counter 6 is not permitted. Thus, with acceptable levels of power quality indicators, the state of the binary-decimal reversing counter 6 and indicator 7 does not change.

If the electricity producer deteriorates its quality in any of the parameters, then this deterioration is recorded by one of the quality meters 2. The tolerance control unit 5 connected to it compares it with a permissible value and, if the latter is exceeded, produces a “0” signal at the output. In this case, the subtraction of pulses is allowed by a binary-decimal reversible counter 6. The frequency of the pulses at its synchronization input will be less than the frequency of the pulses produced by the electric power counter 1 by the division factor times specified by the divider 4 frequencies. The frequency division factor K is determined by the product of

50

where a

the reciprocal of the price of an impulse of an electricity meter;

the share of the tariff that determines the amount of the discount allowance. For example, if the counter impulse price is 0.001 kWh, and the share of the tariff is 25, then the division ratio of the counter is

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0.001

0.25 = 250 ..

Thus, at the synchronization input of the binary-decimal reversing counter 6 there are pulses, the price of which is 1 kWh.

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These pulses detect the state of the binary-decimal reversible counter 6, and the readings of the digital indicator 7 begin to decrease. _& Sheniyu exceed acceptable levels consumer power quality indicator corresponds to an increase readings 7.

If the quality of the electrical energy is violated both by the manufacturer and the consumer, the passage of pulses and the counting, the binary-decimal reversible counter 6 is not allowed. Thus, the state of the binary 15-decimal reversible counter 6 and indicator 7 does not change.

To determine the total amount of payments, it is necessary to perform the algebraic addition of the increments of the readings of the counter I of electricity and the increments of the indicator of indicator 7, and multiply the resulting number by the value of the electricity tariff.

25

Claims (2)

Claim 1. An electric power meter containing an electric power meter with a telemetric output, distinguished by 30 th and the same so that, in order to expand its functionality, · it includes the power meter of the producer and consumer electric power quality meters, frequency divider, n + ta ₃₅ Tolerance control units, binary-decimal counter and indicator, with the output of the electricity meter with a telemetry output through a frequency divider connected to the sync input of a binary-decimal reversible counter, the first group of inputs of which is connected via tolerance control blocks to the outputs of the power quality meters of the manufacturer, the second group of inputs through the tolerance control blocks connected to the outputs of electricity quality meters, and the output - to the input of the indicator. 2. Electricity meter in π. 1, characterized in that the binary-decimal reversible counter contains a η-input element AND NOT, one input element AND-NOT, two elements AND-NOT, two inverters and a reversible counter, and the inputs of the n-input element AND-NOT are the first group of inputs, and the inputs of the TA input element are the second group of inputs of a binary-decimal reversible counter ~ ~; the outputs of the P and TA input elements AND – NOT are connected via inverters to the first inputs of the first and second AND elements respectively, the second inputs of which are connected respectively to the outputs of the and n-input elements are NAND, the third are combined and are the synchronization input of the binary-decimal reversible counter, and the outputs are connected to the addition and subtraction inputs of the reversible counter, respectively, the output of which is the output of the binary-decimal reversible counter. 1486937 Synchronization Resolution Resolution summation of the we / iThanir FIG. 2