TransferSwitch - Sigma Knowledge base Browser

appearance as argument number 1

(documentation TransferSwitch EnglishLanguage "An electrical switch that switches a load between two PowerSource")	engineering.kif 1194-1194
(subclass TransferSwitch Device)	engineering.kif 1193-1193	Transfer switch is a subclass of device

appearance as argument number 2

(termFormat ChineseLanguage TransferSwitch "转换开关")	domainEnglishFormat.kif 58851-58851
(termFormat ChineseTraditionalLanguage TransferSwitch "轉換開關")	domainEnglishFormat.kif 58850-58850
(termFormat EnglishLanguage TransferSwitch "transfer switch")	domainEnglishFormat.kif 58849-58849

antecedent

(=>
    (instance ?TRANS TransferSwitch)
    (hasPurpose ?TRANS
        (exists (?PROC ?POWER1 ?POWER2 ?E)
            (and
                (instance ?PROC Process)
                (instance ?POWER1 PowerSource)
                (instance ?POWER2 PowerSource)
                (instance ?E Electricity)
                (instrument ?PROC ?TRANS)
                (holdsDuring
                    (BeginFn
                        (WhenFn ?PROC))
                    (origin ?E ?POWER1))
                (holdsDuring
                    (EndFn
                        (WhenFn ?PROC))
                    (origin ?E ?POWER1))
                (not
                    (equal ?POWER1 ?POWER2))))))

engineering.kif 1195-1214

If a physical is an instance of transfer switch,
then the physical has the purpose there exist an entity, another entity,, , a third entity and a fourth entity such that the entity is an instance of process and the other entity is an instance of power source and the third entity is an instance of power source and the fourth entity is an instance of electricity and the physical is an instrument for the entity and the fourth entity originates at the other entity holds during the beginning of the time of existence of the entity and the fourth entity originates at the other entity holds during the end of the time of existence of the entity and the other entity is not equal to the third entity

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