US2020200400A1PendingUtilityA1
Method for determining a preferential minimum power set point, method for controlling a plurality of water heaters and associated device
Assignee: COMMISSARIAT ENERGIE ATOMIQUEPriority: Dec 21, 2018Filed: Dec 20, 2019Published: Jun 25, 2020
Est. expiryDec 21, 2038(~12.4 yrs left)· nominal 20-yr term from priority
F24D 17/0063G05D 23/1924F24H 1/18F24D 2200/02F24D 2200/15F24D 19/1063F24H 9/2021F24D 19/1057F24H 15/20F24H 15/152F24H 15/156F24H 15/148F24H 15/215F24H 15/254
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Claims
Abstract
A method for determining a preferential minimum power set point by a consumer i, said consumer including an electric water heater, the method including determining the state of the consumer i at an instant k; determining a minimum power set point P c min (i,k) at the instant k as a function of the state of the consumer i determined during the determining of the state of the consumer i at an instant k; determining a minimum power set point P c min (i,k+1:K) at the instants k+1 to K as a function of the predicted state of the consumer i estimated from the state of the consumer i determined during the determining of the state of the consumer i at an instant k; determining a preferential minimum power set point P c min_pref (i,k) as a function of the minimum power set point P c min (i,k) at the instant k and of the minimum power set point P c min (i,k+1:K) at the instants k+1 to K.
Claims
exact text as granted — not AI-modified1 . A method for determining a preferential minimum power set point by a consumer i, said consumer comprising an electric water heater, said method comprising:
a step of determining the state of the consumer i at an instant k; a step of determining a minimum power set point P c min (i,k) at the instant k as a function of the state of the consumer i determined during the step of determining the state of the consumer i at an instant k; a step of determining a minimum power set point P c min (i,k+1:K) at the instants k+1 to K, K being the total number of time ranges during a production/consumption period, as a function of the predicted state of the consumer i estimated from the state of the consumer i determined during step of determining the state of the consumer i at an instant k; a step of determining a preferential minimum power set point P c min_pref (i,k) as a function of the minimum power set point P c min (i,k) at the instant k and of the minimum power set point P c min (i,k+1:K) at the instants k+1 to K.
2 . The method according to claim 1 , wherein the step of determining the state of the consumer i at the instant k comprises:
a sub-step of acquiring the power P(i,k) consumed by the water heater of the consumer i at the instant k; a sub-step of determining the number of persons Per(i,k) at the instant k associated with said consumer i.
3 . The method according to claim 2 , wherein the step of determining the minimum power set point P c min (i,k) at the instant k comprises:
a sub-step of determining the minimum necessary amount of hot water Eau min (i,1:k) at the instant k as a function of the number of persons Per(i,k) associated with the consumer i; a sub-step of determining a minimum power set point P c min (i,k) at the instant k as a function of the necessary amount of hot water Eau min (i,1:k) at the instant k determined in the previous sub-step.
4 . The method according to claim 3 , wherein the step of determining the minimum power set point P c min (i,k+1:K) at the instants k+1 to K comprises:
a sub-step of determining a predicted amount of hot water Eau prev (i,k+1:K) consumed at the instants k+1 to K as a function of a number of persons associated with said consumer i Per +1 (i,k+1,K) in which Per +1 (i,k)=min(Per(i,k)+1,N i ) with N i being the maximum number of persons associated with said consumer i; a sub-step of determining the minimum power set point P c min (i,k+1:K) at the instants k+1 to K as a function of the predicted amount of hot water Eau prev (i,k+1:K) determined during the previous sub-step.
5 . A method for driving a plurality of water heaters on a network including a plurality of consumers i, each consumer i from the plurality of consumers i comprising a water heater from the plurality of water heaters, said method comprising:
for each consumer i from the plurality of consumers i, a step of implementing a method according to one of claims 1 to 4 so as to obtain, for each consumer i, a preferential minimum power set point P c min_pref (i,k); a step of receiving, for each consumer i from the plurality of consumers i, a preferential minimum power set point P c min_pref (i,k); for each consumer i from the plurality of consumers i, a step of determining a power set point P c (i,k) at the instant k as a function of the preferential minimum power set point P c min_pref (i,k).
6 . The method according to claim 5 , wherein the step of determining a power set point P c (i,k) at the instant k comprises:
a sub-step of determining the optimum electric modulation at the instant k; a sub-step of determining an optimum power set point P c opt (i,k) corresponding to the modulation distribution among each consumer i, said distribution being performed in proportion to the preferential minimum set points P c min_pref (i,k); a sub-step of determining the power set point P c (i,k), said power set point P c (i,k) at the instant k being equal to the maximum among the optimum power set point P c opt (i,k) and the preferential minimum set point P c min_pref (i,k).
7 . The method according to claim 4 , wherein the step of determining a power set point P c (i,k) at the instant k comprises:
a sub-step of determining the optimum electric modulation at the instant k; a sub-step of determining an optimum power set point P c opt (i,k) corresponding to the maximisation of the following relationship:
Σ S ( i,k )× n ( i,k )
where S(i,k) is the satisfaction of consumer i at the instant k with S=1 when the satisfaction is maximum and S=0 when the satisfaction is minimum and n(i,k) the efficacy of power use determined using the following formula:
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a sub-step of determining the power set point P c (i,k), said power set point P c (i,k) at the instant k being equal to the maximum among the optimum power set point P c (i,k) and the preferential minimum set point P c min_pref (i,k).
8 . A device comprising means for implementing a method according to claim 1 .
9 . A computer program comprising instructions which cause the device according to the previous claim 1 to carry out the steps of the method.
10 . A non-transitory computer readable medium, comprising instructions to carry out the steps of the method according to claim 1 .Join the waitlist — get patent alerts
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