Driver Circuit and Electrical Power Conversion Device
First Claim
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1. An electrical power conversion device, comprising:
- a switching element in which a principal electrical current flows in a direction from a second electrode towards a first electrode based upon a voltage being applied to a control electrode;
a voltage control circuit that controls the voltage that is applied to the control electrode; and
a continuity control circuit that is connected between the second electrode and the control electrode and controls continuity between the second electrode and the control electrode.
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Abstract
An electrical power conversion device includes: a switching element in which a principal electrical current flows in a direction from a second electrode towards a first electrode based upon a voltage being applied to a control electrode; a voltage control circuit that controls the voltage that is applied to the control electrode; and a continuity control circuit that is connected between the second electrode and the control electrode and controls continuity between the second electrode and the control electrode.
7 Citations
13 Claims
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1. An electrical power conversion device, comprising:
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a switching element in which a principal electrical current flows in a direction from a second electrode towards a first electrode based upon a voltage being applied to a control electrode; a voltage control circuit that controls the voltage that is applied to the control electrode; and a continuity control circuit that is connected between the second electrode and the control electrode and controls continuity between the second electrode and the control electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An electrical power conversion device for converting DC electrical power to AC electrical power, comprising:
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an upper arm switching element in which a principal electrical current flows in a direction from a second electrode towards a first electrode based upon a voltage being applied to a control-electrode; a lower arm switching element that is connected in series with the upper arm switching element and in which a principal electrical current flows in a direction from a second electrode towards a first electrode based upon a voltage being applied to a control electrode; a battery for supplying DC electrical power, connected between the upper arm switching element and the lower arm switching element that are connected in series; a smoothing capacitor that is connected in parallel with the battery; a controller that controls the upper arm switching element and the lower arm switching element; a first voltage control circuit that generates a voltage that is applied to the control electrode of the upper arm switching element, based upon a first signal outputted from the controller; a second voltage control circuit that generates a voltage that is applied to the control electrode of the lower arm switching element, based upon a second signal outputted from the controller; a first continuity control circuit that is connected between the second electrode and the control electrode of the upper arm switching element and controls continuity between the second electrode and the control electrode of the upper arm switching element; and a second continuity control circuit that is connected between the second electrode and the control electrode of the lower arm switching element and controls continuity between the second electrode and the control electrode of the lower arm switching element. - View Dependent Claims (12, 13)
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Specification