SYSTEM TO CONTROL WHEN ELECTRICITY IS PROVIDED TO AN INDUCTIVE LOAD AND METHOD OF PROVIDING AND USING THE SAME
First Claim
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1. ) A system comprising:
- a control module configured to control when an inductive load module of an electric circuit receives electricity from an electricity source, the electric circuit (a) comprising the inductive load module and (b) being configured to be coupled to the electricity source;
wherein;
when the control module permits the inductive load module to receive the electricity from the electricity source, the inductive load module comprises an active state;
when the control module prevents the inductive load module from receiving the electricity from the electricity source, the inductive load module comprises an inactive state;
the electricity comprises a voltage zero crossing condition and a current zero crossing condition; and
in order to control when the inductive load module of the electric circuit receives the electricity from the electricity source;
(a) the control module is configured to be able to cause the inductive load module (i) to switch from the inactive state to the active state and (ii) to switch from the active state to the inactive state; and
(b) the control module is further configured such that (i) when the control module causes the inductive load module to switch from the inactive state to the active state, the voltage zero crossing condition exists or is starting and (ii) when the control module causes the inductive load module to switch from the active state to the inactive state, the current zero crossing condition exists or is starting.
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Abstract
Some embodiments include a system to control when electricity is provided to an inductive load. Other embodiments of related systems and methods are also disclosed.
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Citations
30 Claims
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1. ) A system comprising:
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a control module configured to control when an inductive load module of an electric circuit receives electricity from an electricity source, the electric circuit (a) comprising the inductive load module and (b) being configured to be coupled to the electricity source; wherein; when the control module permits the inductive load module to receive the electricity from the electricity source, the inductive load module comprises an active state; when the control module prevents the inductive load module from receiving the electricity from the electricity source, the inductive load module comprises an inactive state; the electricity comprises a voltage zero crossing condition and a current zero crossing condition; and in order to control when the inductive load module of the electric circuit receives the electricity from the electricity source; (a) the control module is configured to be able to cause the inductive load module (i) to switch from the inactive state to the active state and (ii) to switch from the active state to the inactive state; and (b) the control module is further configured such that (i) when the control module causes the inductive load module to switch from the inactive state to the active state, the voltage zero crossing condition exists or is starting and (ii) when the control module causes the inductive load module to switch from the active state to the inactive state, the current zero crossing condition exists or is starting. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. ) A method of manufacturing a system, the method comprising:
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providing a control module configured to control when an inductive load module of an electric circuit receives electricity from an electricity source, the electric circuit (a) comprising the inductive load module and (b) being configured to be coupled to the electricity source; wherein; when the control module permits the inductive load module to receive the electricity from the electricity source, the inductive load module comprises an active state; when the control module prevents the inductive load module from receiving the electricity from the electricity source, the inductive load module comprises an inactive state; the electricity comprises a voltage zero crossing condition and a current zero crossing condition; and providing the control module comprises; (a) configuring the control module to be able to cause the inductive load module (i) to switch from the inactive state to the active state and (ii) to switch from the active state to the inactive state; and (b) configuring the control module such that (i) when the control module causes the inductive load module to switch from the inactive state to the active state, the voltage zero crossing condition exists or is starting and (ii) when the control module causes the inductive load module to switch from the active state to the inactive state, the current zero crossing condition exists or is starting. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. ) A method comprising:
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controlling when an inductive load module of an electric circuit receives electricity from an electricity source, the electric circuit (a) comprising the inductive load module and (b) being configured to be coupled to the electricity source, and the electricity comprising a voltage zero crossing condition and a current zero crossing condition; wherein controlling when the inductive load module of the electric circuit receives the electricity from the electricity source comprises; causing the inductive load module to begin receiving the electricity from the electricity source when the voltage zero crossing condition exists or begins; and after causing the inductive load module to begin receiving the electricity from the electricity source, causing the inductive load module to stop receiving the electricity from the electricity source when the current zero crossing condition exists or begins. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. ) An electric vehicle charging station comprising:
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an electric circuit comprising a contactor and a voltage transient suppression module coupled in parallel with the contactor, the electric circuit being configured to be coupled to an electricity source and a rechargeable energy storage system of an electric vehicle; and a control module configured to control when the contactor receives electricity from the electricity source, the electricity comprising an alternating current; wherein; when the control module permits the contactor to receive the electricity from the electricity source, the contactor is closed; when the control module prevents the contactor from receiving the electricity from the electricity source, the contactor is open; the electricity comprises a voltage zero crossing condition and a current zero crossing condition; in order to control when the contactor of the electric circuit receives the electricity from the electricity source; (a) the control module is configured to be able to cause the contactor (i) to close and (ii) to open; and (b) the control module is further configured such that (i) when the control module causes the contactor to close, the voltage zero crossing condition exists or is beginning and (ii) when the control module causes the contactor to open, the current zero crossing condition exists or is beginning; and the electric circuit is configured such that when the contactor is closed and the rechargeable energy storage system is coupled to the electric circuit, the electric circuit is able to electrically charge the rechargeable energy storage system.
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Specification