CN103513101A - Method for collecting phase-splitting power parameters of three-phase power - Google Patents
Method for collecting phase-splitting power parameters of three-phase power Download PDFInfo
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- CN103513101A CN103513101A CN201210213861.9A CN201210213861A CN103513101A CN 103513101 A CN103513101 A CN 103513101A CN 201210213861 A CN201210213861 A CN 201210213861A CN 103513101 A CN103513101 A CN 103513101A
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Abstract
The invention discloses a method for collecting phase-splitting power parameters of three-phase power. The method comprises the following steps that: a numerical value of an active register of any phase of power of the three-phase power is read and is sent into an accumulation array; whether the numerical value of the accumulation array is larger than 0.01 kilowatt hour is determined; verification is carried out on active power storage array of the phase power and, if false, an accumulation value of the phase power is read from an EEPROM and verification is carried out; a phase standby power accumulation value is read from the EEPROM and verification is carried out and, if true, the latest phase power verification value is stored into the EEPROM; forward and backward power is determined and if true, the 0.01 kilowatt hour is counted to a phase active array; a latest verification value is stored into a phase power accumulation array; and according to tagged words, addition and subtraction operations are carried out on the active power and the reactive power. Compared with the prior art, the provided method enables power parameters of any phase of the three phase power can be collected.
Description
Technical field
The present invention relates to a kind of electrical energy parameter acquisition method, relate in particular to a kind of three-phase electric energy phase-splitting electrical energy parameter acquisition method.
Background technology
The chip that three-phase electric energy parameter acquisition device is used provides meritorious electrical energy pulse output pin and reactive energy pulse output pin, by these two pins, can measure very easily and closes phase quadergy and close meritorious energy mutually.But under many circumstances, we need to further measure the electrical energy parameter of each phase of three-phase electricity, and this to be active energy pulse output pin and the reactive energy pulse output pin providing by existing chip cannot measure.
In view of the above problems, be necessary the electrical energy parameter acquisition method of existing three-phase electric energy to make improvements, to address the above problem.
Summary of the invention
For the deficiencies in the prior art, the technical matters that the present invention solves is to provide a kind of three-phase electric energy phase-splitting electrical energy parameter acquisition method, and this three-phase electric energy phase-splitting electrical energy parameter acquisition method can gather the electrical energy parameter of any phase of three-phase electricity.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A phase-splitting electrical energy parameter acquisition method, comprises the steps: S1: read the numerical value of the meritorious register of three-phase electric energy arbitrary phase electric energy and send into cumulative array; S2: whether the numerical value of the cumulative array of judgement is greater than 0.01 kilowatt hour, jumps to step S3 if be greater than 0.01 kilowatt hour; Otherwise jump to step S1; S3: the meritorious 0.01 kilowatt hour sign of described phase place electric energy is put to 1; S4: described phase place electric energy active energy storage array is carried out and verification, if true, jump to step S8; If false, jump to step S5; S5: read described phase place electric energy aggregate-value and test from EEPROM, if true, jumping to step S8; If false, jump to step S6; S6: read described phase place backup power aggregate-value from EEPROM and test, if true, jump to step S7; If false, jump to step S13; S7: deposit up-to-date described phase place power test value in EERPROM; S8: judge forward and reverse electric energy, if true, jump to step S9; If false, jump to step S14; S9: count 0.01 kilowatt hour to the meritorious array of described phase place; S10: deposit up-to-date test value in described phase place electric energy accumulative total array; S11: every accumulative total 1 kilowatt hour electric energy is deposited EEPROM; S12: meritorious, reactive energy are carried out to signed magnitude arithmetic(al) according to tagged word; S13: data are made mistakes, and carry out respective handling; S14: count 0.01 kilowatt hour to the idle array of described phase place, and jump to step S10.
The invention has the beneficial effects as follows: compared to prior art, three-phase electric energy phase-splitting electrical energy parameter acquisition method of the present invention can gather the electrical energy parameter of any phase of three-phase electricity.
Accompanying drawing explanation
Fig. 1 is three-phase electric energy phase-splitting electrical energy parameter acquisition method schematic flow sheet of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, describe the present invention.
Three-phase alternating current is a kind of transporting pattern of electric energy, is called for short three-phase electricity.Three-phase electricity is identical by three frequencies, amplitude equates, the phase place power supply that the interchange electromotive force of 120 ° of mutual deviations forms successively.Three-phase electric energy phase-splitting electrical energy parameter acquisition method of the present invention can gather the electrical energy parameter of any phase place of three-phase electricity.
Shown in please refer to the drawing 1, three-phase electric energy phase-splitting electrical energy parameter acquisition method of the present invention comprises the steps:
S1: read the numerical value of the meritorious register of three-phase electric energy arbitrary phase electric energy and send into cumulative array.
S2: whether the numerical value of the cumulative array of judgement is greater than 0.01 kilowatt hour, jumps to step S3 if be greater than 0.01 kilowatt hour; Otherwise jump to step S1.
S3: the meritorious 0.01 kilowatt hour sign of described phase place electric energy is put to 1.
S4: described phase place electric energy active energy storage array is carried out and verification, if true, jump to step S8; If false, jump to step S5.
S5: read described phase place electric energy aggregate-value and test from EEPROM, if true, jumping to step S8; If false, jump to step S6.
S6: read described phase place backup power aggregate-value from EEPROM and test, if true, jump to step S7; If false, jump to step S13.
S7: deposit up-to-date described phase place power test value in EERPROM.
S8: judge forward and reverse electric energy, if true, jump to step S9; If false, jump to step S14.
S9: count 0.01 kilowatt hour to the meritorious array of described phase place.
S10: deposit up-to-date test value in described phase place electric energy accumulative total array.
S11: every accumulative total 1 kilowatt hour electric energy is deposited EEPROM.
S12: meritorious, reactive energy are carried out to signed magnitude arithmetic(al) according to tagged word.
S13: data are made mistakes, and carry out respective handling.
S14: count 0.01 kilowatt hour to the idle array of described phase place, and jump to step S10.
Compared to prior art, three-phase electric energy phase-splitting electrical energy parameter acquisition method of the present invention can gather the electrical energy parameter of any phase of three-phase electricity, thereby can be to forward and reverse active energy, four-quadrant reactive energy of each phase of three-phase electricity of access, forward and reversely close phase active energy, four-quadrant closes phase reactive energy, combination active energy, the metering of combination reactive energy philosophy, and then can be expressly understood that very much the electric energy that each phase is used, the electric energy simultaneously again can clear and definite three-phase electricity integral body consuming.
Of particular note, for the common skill personnel of this area, that under instruction of the present invention, does changes for equivalence of the present invention, must be included in the scope that the present patent application the scope of the claims advocates.
Claims (1)
1. a three-phase electric energy phase-splitting electrical energy parameter acquisition method, is characterized in that: described three-phase electric energy phase-splitting electrical energy parameter acquisition method comprises the steps:
S1: read the numerical value of the meritorious register of three-phase electric energy arbitrary phase electric energy and send into cumulative array;
S2: whether the numerical value of the cumulative array of judgement is greater than 0.01 kilowatt hour, jumps to step S3 if be greater than 0.01 kilowatt hour; Otherwise jump to step S1;
S3: the meritorious 0.01 kilowatt hour sign of described phase place electric energy is put to 1;
S4: described phase place electric energy active energy storage array is carried out and verification, if true, jump to step S8; If false, jump to step S5;
S5: read described phase place electric energy aggregate-value and test from EEPROM, if true, jumping to step S8; If false, jump to step S6;
S6: read described phase place backup power aggregate-value from EEPROM and test, if true, jump to step S7; If false, jump to step S13;
S7: deposit up-to-date described phase place power test value in EERPROM;
S8: judge forward and reverse electric energy, if true, jump to step S9; If false, jump to step S14;
S9: count 0.01 kilowatt hour to the meritorious array of described phase place;
S10: deposit up-to-date test value in described phase place electric energy accumulative total array;
S11: every accumulative total 1 kilowatt hour electric energy is deposited EEPROM;
S12: meritorious, reactive energy are carried out to signed magnitude arithmetic(al) according to tagged word;
S13: data are made mistakes, and carry out respective handling;
S14: count 0.01 kilowatt hour to the idle array of described phase place, and jump to step S10.
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Cited By (1)
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CN116593768A (en) * | 2023-04-27 | 2023-08-15 | 深圳市锐能微科技有限公司 | Electric energy metering method and device, electronic equipment and medium |
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CN116593768A (en) * | 2023-04-27 | 2023-08-15 | 深圳市锐能微科技有限公司 | Electric energy metering method and device, electronic equipment and medium |
CN116593768B (en) * | 2023-04-27 | 2024-03-26 | 深圳市锐能微科技有限公司 | Electric energy metering method and device, electronic equipment and medium |
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