Inverter protection device
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorMin Gyu Park
Life of this patent
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Abstract
There is provide an inverter protection device including: a reference voltage obtaining unit obtaining a reference voltage signal based on output current from an inverter module; a filtering unit removing noise from the reference voltage signal to output the filtered signal; a sensing unit sensing the filtered signal through a sensing terminal; an electrostatic discharge diode provided between the sensing terminal and a ground; and a bypass unit provided between one terminal of the electrostatic discharge diode and the ground.
Claims21
An inverter protection device, comprising:
- a reference voltage obtaining unit obtaining a reference voltage signal based on output current from an inverter module;
- a filtering unit removing noise from the reference voltage signal to output the filtered signal;
- a sensing unit sensing the filtered signal through a sensing terminal;
- an electrostatic discharge diode provided between the sensing terminal and a ground;
- and
- a bypass unit provided between one terminal of the electrostatic discharge diode and the ground.
An inverter protection device, comprising:
- a reference voltage obtaining unit obtaining a reference voltage signal based on output current from an inverter module;
- a filtering unit removing noise from the reference voltage signal to output the filtered signal;
- a sensing unit sensing the filtered signal through a sensing terminal;
- an electrostatic discharge diode provided between the sensing terminal and a ground;
- and
- a bypass unit electrically connected to the electrostatic discharge diode and clamping voltage applied through the electrostatic discharge diode.
An inverter protection device, comprising:
- a reference voltage obtaining unit obtaining a reference voltage signal based on output current from an inverter module;
- a filtering unit removing noise from the reference voltage signal to output the filtered signal;
- a sensing unit sensing the filtered signal through a sensing terminal;
- an electrostatic discharge diode provided between the sensing terminal and a ground;
- and
- a bypass unit bypassing a signal from the electrostatic discharge diode.
Dependencies are inferred from the claim text.