JP2011135768A5

JP2011135768A5 -

Info

Publication number: JP2011135768A5
Application number: JP2010260813A
Authority: JP
Filing date: 2010-11-24
Publication date: 2014-02-06
Anticipated expiration: 2030-11-24

Description

請求項１の発明は、
制御装置、インバーター、通信装置、及び、二次電池を含んで構成される電力供給装置であって、
高周波数パルスを重畳させることで波形特性を商用交流電流に近似させた電力を配電用変電所の担当地域の送電線に供給するための制御を実行する制御装置と、
二次電池から供給される直流電流を電圧Ｖｐに昇圧するとともに前記高周波数パルスを重畳することにより交流電流に変換するインバーターと、
売電区画と自家用区画を有し、売電区画に売電用の電力を蓄える二次電池と、
を備え、一般需要家の二次電池に蓄えられている余剰電力を一般需要家に消費させるとともに、周波数と電圧が安定した電力を、配電用変電所の供給地域に供給することにより、電気送電網全体の送電効率を向上させることを特徴とする電力供給装置である。
請求項２の発明においては、
前記インバーターは、二次電池から供給される直流電流を交流電流に変換するための位相同期装置を備え、該位相同期装置は、二次電池から前記インバーターを経て供給される交流電流の位相の変動を、送電先の配電用変電所の供給地域における交流電流の波形に前記高周波数パルスを重畳することにより近似又は同期することを特徴とする。
請求項３の発明では、
前記位相同期装置は、商用交流電流の波形を解析する波形解析手段と、
前記波形解析手段が解析した商標交流電流の波形に基づき、パルスの重畳を開始するべき位相位置を決定し、重畳終了時における商標交流電流の電圧Ｖｐを検出する重畳位置決定手段と、
前記二次電池から出力される直流電流の電圧をＶｐに変換する電圧変換手段と、
前記電圧変換手段により電圧変換された電圧Ｖｐのパルス波を、前記重畳位置決定手段で決定した期間に発生させるパルス波発生手段と、
前記商用交流電流に電圧Ｖｐのパルスを重畳した交流電流を生成する、パルス波重畳手段と
を備えることを特徴とする。
請求項４の発明は、
電池から出力される直流電力を商用交流電流に同期させて供給するインバーター装置であって、
波形解析モジュール（Ｍ１）、重畳位相決定モジュール（Ｍ２）、電圧変換モジュール（Ｍ３）、パルス波発生モジュール（Ｍ４）、及び、パルス波重畳モジュール（Ｍ５）を含んで構成され、
波形解析モジュール（Ｍ１）は、商用交流電流の波形を解析する機能を有し、
重畳位相決定モジュール（Ｍ２）は、波形解析モジュール（Ｍ１）で解析された商用交流電流の波形について、パルスの重畳を開始すべき位相を、重畳開始位相と重畳終了位相として決定し、重畳終了位相における商用交流電流の電圧Ｖｐを検出する機能を有し、
電圧変換モジュール（Ｍ３）は、二次電池から出力される直流電流の電圧を電圧Ｖｐに変換する機能を有し、
パルス波発生モジュール（Ｍ４）は、電圧変換モジュール（Ｍ３）で電圧変換した電圧Ｖｐの電流を高周波数パルス波に変換する機能を有し、
パルス波重畳モジュール（Ｍ５）は、重畳位相決定モジュール（Ｍ２）で決定した重畳開始位相と重畳終了位相との間で、パルス波発生モジュール（Ｍ４）で変換した電圧Ｖｐのパルス波を同期させて重畳することを特徴とするインバーター装置である。
The invention of claim 1
A power supply device including a control device, an inverter, a communication device, and a secondary battery,
A control device that executes control for supplying power whose waveform characteristics are approximated to commercial alternating current by superimposing high-frequency pulses to the transmission line in the area in charge of the distribution substation;
An inverter that boosts a direct current supplied from a secondary battery to a voltage Vp and converts the direct current to an alternating current by superimposing the high-frequency pulse;
A secondary battery having a power selling section and a private section, and storing power for power sale in the power selling section;
Electric power transmission by supplying the consumer with surplus power stored in the secondary battery of the general consumer and supplying power with stable frequency and voltage to the distribution substation supply area The power supply device is characterized in that the power transmission efficiency of the entire network is improved.
In the invention of claim 2,
The inverter includes a phase synchronization device for converting a direct current supplied from a secondary battery into an alternating current, and the phase synchronization device varies a phase of an alternating current supplied from the secondary battery via the inverter. Is approximated or synchronized by superimposing the high-frequency pulse on the waveform of the alternating current in the supply area of the distribution substation at the power transmission destination.
In the invention of claim 3,
The phase synchronizer includes waveform analysis means for analyzing a waveform of a commercial alternating current;
Based on the trademark alternating current waveform analyzed by the waveform analyzing means, a phase position at which pulse superposition is to be started is determined, and a superimposed position determining means for detecting the voltage Vp of the trademark alternating current at the end of the superposition;
Voltage conversion means for converting the voltage of the direct current output from the secondary battery into Vp;
A pulse wave generating means for generating a pulse wave of the voltage Vp voltage-converted by the voltage converting means during a period determined by the superposition position determining means;
Pulse wave superimposing means for generating an alternating current in which a pulse of a voltage Vp is superimposed on the commercial alternating current;
It is characterized by providing .
The invention of claim 4
An inverter device that supplies DC power output from a battery in synchronization with commercial AC current,
A waveform analysis module (M1), a superposition phase determination module (M2), a voltage conversion module (M3), a pulse wave generation module (M4), and a pulse wave superposition module (M5);
The waveform analysis module (M1) has a function of analyzing the waveform of commercial alternating current,
The superposition phase determination module (M2) determines the phase at which the superposition of pulses is to be started as the superposition start phase and the superposition end phase for the commercial AC current waveform analyzed by the waveform analysis module (M1), and the superposition end phase. Has a function of detecting the voltage Vp of the commercial alternating current in
The voltage conversion module (M3) has a function of converting the voltage of the direct current output from the secondary battery into the voltage Vp,
The pulse wave generation module (M4) has a function of converting the current of the voltage Vp converted by the voltage conversion module (M3) into a high frequency pulse wave,
The pulse wave superposition module (M5) synchronizes the pulse wave of the voltage Vp converted by the pulse wave generation module (M4) between the superposition start phase and superposition end phase determined by the superposition phase determination module (M2). The inverter device is characterized by being superimposed.

Claims

A power supply device including a control device, an inverter, a communication device, and a secondary battery,
A control device that executes control for supplying power whose waveform characteristics are approximated to commercial alternating current by superimposing high-frequency pulses to the transmission line in the area in charge of the distribution substation;
An inverter that boosts a direct current supplied from a secondary battery to a voltage Vp and converts the direct current to an alternating current by superimposing the high-frequency pulse;
A secondary battery having a power selling section and a private section, and storing power for power sale in the power selling section ;
Comprising a, together to consume the excess power to the general consumers, which is stored in the secondary battery of general consumer, the frequency and voltage stable power, by supplying to the supply area of the distribution substation, power supply, characterized in that for improving the power transmission efficiency of the entire electric power grid.

The inverter includes a phase synchronization device for converting a direct current supplied from a secondary battery into an alternating current, and the phase synchronization device varies a phase of an alternating current supplied from the secondary battery via the inverter. The power supply device according to claim 1, wherein the power supply device is approximated or synchronized by superimposing the high-frequency pulse on a waveform of an alternating current in a supply area of a distribution substation as a power transmission destination .

The phase synchronizer includes waveform analysis means for analyzing a waveform of a commercial alternating current;
Based on the trademark alternating current waveform analyzed by the waveform analyzing means, a phase position at which pulse superposition is to be started is determined, and a superimposed position determining means for detecting the voltage Vp of the trademark alternating current at the end of the superposition;
Voltage conversion means for converting the voltage of the direct current output from the secondary battery into Vp;
A pulse wave generating means for generating a pulse wave of the voltage Vp voltage-converted by the voltage converting means during a period determined by the superposition position determining means;
Pulse wave superimposing means for generating an alternating current in which a pulse of a voltage Vp is superimposed on the commercial alternating current;
The power supply device according to claim 2, further comprising:

The DC power output from the battery an inverter chromatography apparatus supplies in synchronism with the commercial alternating current,
A waveform analysis module (M1), a superposition phase determination module (M2), a voltage conversion module (M3), a pulse wave generation module (M4), and a pulse wave superposition module (M5);
The waveform analysis module (M1) has a function of analyzing the waveform of commercial alternating current,
The superposition phase determination module (M2) determines the phase at which the superposition of pulses is to be started as the superposition start phase and the superposition end phase for the commercial AC current waveform analyzed by the waveform analysis module (M1), and the superposition end phase. Has a function of detecting the voltage Vp of the commercial alternating current in
The voltage conversion module (M3) has a function of converting the voltage of the direct current output from the secondary battery into the voltage Vp,
The pulse wave generation module (M4) has a function of converting the current of the voltage Vp converted by the voltage conversion module (M3) into a high frequency pulse wave ,
The pulse wave superposition module (M5) synchronizes the pulse wave of the voltage Vp converted by the pulse wave generation module (M4) between the superposition start phase and superposition end phase determined by the superposition phase determination module (M2). inverter chromatography apparatus characterized by superimposed.