JP2016134952A5 - Power control apparatus, charge / discharge control method, and program - Google Patents

Power control apparatus, charge / discharge control method, and program Download PDF

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JP2016134952A5
JP2016134952A5 JP2015006594A JP2015006594A JP2016134952A5 JP 2016134952 A5 JP2016134952 A5 JP 2016134952A5 JP 2015006594 A JP2015006594 A JP 2015006594A JP 2015006594 A JP2015006594 A JP 2015006594A JP 2016134952 A5 JP2016134952 A5 JP 2016134952A5
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本発明は、電気料金の低減を図ることのできる電力制御装置、充放電制御方法およびプログラムに関する。 The present invention relates to a power control apparatus , a charge / discharge control method, and a program capable of reducing an electricity bill.

上記目的を達成するために、本発明に係る電力制御装置は、
外部から供給される電力を、蓄電池へ充電させるか否かを切り換える充電切換手段と、
外部負荷へ供給する電力を、前記外部からの電力、又は、前記蓄電池から放電した電力に切り換える電力切換手段と、
前記蓄電池の残量及び性能と、現在又は予測される使用電力量と、時間帯別に定められた電気料金とに基づいて、前記充電切換手段及び前記電力切換手段を制御して、前記蓄電池の充放電を行う制御手段と、
を備える。 In order to achieve the above object, a power control apparatus according to the present invention includes :
The power supplied from the external, a charging switching means for switching whether to charge the 蓄 battery,
Power switching means for switching the power supplied to the external load to the power from the outside or the power discharged from the storage battery,
Based on the remaining amount and performance of the storage battery, the current or predicted power consumption, and the electricity rate determined for each time zone, the charge switching means and the power switching means are controlled to charge the storage battery. Control means for discharging,
Is provided.

Claims (9)

外部から供給される電力を、蓄電池へ充電させるか否かを切り換える充電切換手段と、
外部負荷へ供給する電力を、前記外部からの電力、又は、前記蓄電池から放電した電力に切り換える電力切換手段と、
前記蓄電池の残量及び性能と、現在又は予測される使用電力量と、時間帯別に定められた電気料金とに基づいて、前記充電切換手段及び前記電力切換手段を制御して、前記蓄電池の充放電を行う制御手段と、
を備える電力制御装置。 The power supplied from the external, a charging switching means for switching whether to charge the 蓄 battery,
Power switching means for switching the power supplied to the external load to the power from the outside or the power discharged from the storage battery,
Based on the remaining amount and performance of the storage battery, the current or predicted power consumption, and the electricity rate determined for each time zone, the charge switching means and the power switching means are controlled to charge the storage battery. Control means for discharging,
A power control apparatus comprising: 時間帯別に定められた電気料金を規定する料金テーブルを記憶する記憶手段と、
前記料金テーブルに従って、現時間帯における電気料金を算出する料金算出手段と、
前記料金テーブルに従って、前記蓄電池が放電可能な時間内の時間帯のうちで、最低料金の時間帯を特定し、当該特定した時間帯に前記蓄電池の充電を行った場合における加算電気料金を算出する加算料金算出手段と、を更に備え、
前記制御手段は、算出された前記電気料金と前記加算電気料金との関係に従って、前記蓄電池の充放電を行う、
請求項１に記載の電力制御装置。 Storage means for storing a charge table that prescribes electricity charges determined by time zone;
Charge calculation means for calculating an electricity charge in the current time zone according to the charge table;
According to the charge table, a minimum charge time period is specified among time periods within which the storage battery can be discharged, and an additional electricity charge is calculated when the storage battery is charged during the specified time period. An additional fee calculating means,
The control means performs charging / discharging of the storage battery according to the relationship between the calculated electricity bill and the additional electricity bill,
The power control apparatus according to claim 1. 前記制御手段は、算出された前記電気料金と前記加算電気料金とを大小比較した結果に従って前記電力切換手段を制御し、前記外部負荷へ供給する電力を、前記外部からの電力、又は、前記蓄電池から放電した電力の何れかに切り換える、
請求項２に記載の電力制御装置。 The control means controls the power switching means according to a result of comparing the calculated electricity rate and the added electricity rate, and the power supplied to the external load is the power from the outside or the storage battery. Switch to any of the discharged power from
The power control apparatus according to claim 2. 前記制御手段は、前記加算料金算出手段が算出した前記加算電気料金が、前記料金算出手段が算出した現時間帯における電気料金よりも安い場合、前記特定した時間帯までの期間、前記外部から供給される電力を前記蓄電池に充電しないよう前記充電切換手段を制御する、  The control means is supplied from the outside during the period up to the specified time zone when the added electricity price calculated by the added charge calculation means is lower than the electricity charge in the current time zone calculated by the charge calculation means. Controlling the charge switching means not to charge the storage battery with the power to be
請求項２に記載の電力制御装置。  The power control apparatus according to claim 2. 前記記憶手段は、過去の使用電力量を管理する電力使用履歴を更に記憶し、
前記加算料金算出手段は、前記電力使用履歴に基づいて予測した使用電力量を用いて、前記加算電気料金を算出する、
請求項２から４の何れか１項に記載の電力制御装置。 The storage means further stores a power usage history for managing past power consumption,
The additional charge calculating means calculates the additional electric charge using a power consumption amount predicted based on the power usage history.
The power control apparatus according to any one of claims 2 to 4 . 前記記憶手段は、前記蓄電池の充放電を規定する充放電スケジュールを更に記憶し、
前記制御手段は、算出された前記電気料金と前記加算電気料金との関係に従って、前記充放電スケジュールを更新し、更新後の前記充放電スケジュールに従って、前記蓄電池の充放電を行う、
請求項２から５の何れか１項に記載の電力制御装置。 The storage means further stores a charge / discharge schedule that defines charge / discharge of the storage battery,
The control means updates the charge / discharge schedule according to the relationship between the calculated electricity charge and the additional electricity charge, and charges / discharges the storage battery according to the updated charge / discharge schedule.
The power control apparatus according to any one of claims 2 to 5 . 前記外部から供給される電力には、太陽光発電、風力発電、及び、ガス発電の何れかを含む発電装置からの電力が含まれる、
請求項１から６の何れか１項に記載の電力制御装置。 The power supplied from the outside includes power from a power generation device including any one of solar power generation, wind power generation, and gas power generation,
The power control apparatus according to any one of claims 1 to 6 . 蓄電池の充放電制御方法であって、
時間帯別に定められた電気料金を規定する料金テーブルに従って、現時間帯における電気料金を算出する料金算出ステップと、
前記料金テーブルに従って、前記蓄電池が放電可能な時間内の時間帯のうちで、最低料金の時間帯を特定し、当該特定した時間帯に前記蓄電池の充電を行った場合における加算電気料金を算出する加算料金算出ステップと、
算出された前記電気料金と前記加算電気料金との関係に従って、前記蓄電池の充放電を制御する制御ステップと、
を備える充放電制御方法。 A charge / discharge control method for a storage battery,
A charge calculation step for calculating an electricity charge in the current time period according to a charge table that defines the electricity charge determined by time period,
According to the charge table, a minimum charge time period is specified among time periods within which the storage battery can be discharged, and an additional electricity charge is calculated when the storage battery is charged during the specified time period. Additional charge calculation step;
A control step of controlling charging / discharging of the storage battery according to the relationship between the calculated electricity bill and the additional electricity bill;
A charge / discharge control method comprising: コンピュータに、  On the computer,
外部から供給される電力が充電される蓄電池の残量を取得する充電残容量取得ステップ、  Remaining charge capacity acquisition step of acquiring the remaining amount of the storage battery charged with power supplied from the outside,
外部負荷へ供給され、前記外部負荷が使用する電力量を取得する使用電力量取得ステップ、  A used power amount obtaining step for obtaining a power amount supplied to and used by the external load;
前記充電残容量取得ステップで取得した前記蓄電池の残量と、前記使用電力量取得ステップで取得した前記外部負荷が使用する電力量とから、前記蓄電池が放電を継続可能な時間を算出する放電時間算出ステップ、  A discharge time for calculating a time during which the storage battery can continue discharging from the remaining amount of the storage battery acquired in the remaining charge capacity acquisition step and the electric energy used by the external load acquired in the used electric energy acquisition step Calculation step,
時間帯別に定められた電気料金を規定する料金テーブルに従って、現時間帯における電気料金を算出する料金算出ステップ、  A charge calculation step for calculating an electricity charge in the current time period according to a charge table that defines the electricity charge determined by time period;
前記料金テーブルに従って、前記放電時間算出ステップで算出した前記蓄電池が放電を継続可能な時間帯のうちで、最低料金の時間帯を特定し、当該特定した時間帯に前記蓄電池の充電を行った場合における加算電気料金を算出する加算料金算出ステップ、  According to the charge table, when the storage battery calculated in the discharge time calculation step identifies the lowest charge time period among the time periods in which the storage battery can continue discharging, and the storage battery is charged during the specified time period An additional charge calculating step for calculating an additional electric charge in
前記加算料金算出ステップで算出した前記加算電気料金が、前記料金算出ステップで算出した現時間帯における電気料金よりも安い場合、前記特定した時間帯までの期間、前記外部から供給される電力を前記蓄電池に充電しないよう制御する充電切換ステップ、  When the additional electricity charge calculated in the additional charge calculation step is lower than the electricity charge in the current time zone calculated in the charge calculation step, the electric power supplied from the outside during the period up to the specified time zone is A charge switching step for controlling the storage battery not to be charged;
を実行させるためのプログラム。  A program for running
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