SYSTEM, METHOD AND COMPUTER PROGRAM FOR DETECTING AN ELECTROSTATIC DISCHARGE EVENT
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Accused Products
Abstract
A system (100) for detecting an electrostatic discharge event with respect to a device (110) to be monitored comprises a current measurement device (140) configured to measure a current flowing via a power supply connection (120) connecting the device to be monitored with the power supply to obtain a current measurement signal representing the current or a current component. Alternatively, a current flowing through a protective earth connection (180) connecting the device to be monitored with the protective earth is measured to obtain the measurement signal. The system comprises an electrostatic discharge event detector configured to detect an electrostatic discharge event in response to a pulse of the current measurement signal. The system may optionally comprise data processing of current measurement signals or values.
33 Citations
71 Claims
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1-41. -41. (canceled)
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42. A system for detecting an electrostatic discharge event with respect to a device to be monitored, the system comprising:
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a device to be monitored, wherein the device to be monitored is connected to a power supply via a power supply connection; a current measurement device configured to measure a current flowing via the power supply connection or a current component thereof, to acquire a current measurement signal representing the current or the current component; and an electrostatic discharge event detector configured to detect an electrostatic discharge event in response to a pulse of the current measurement signal, wherein the power supply connection comprises at least two directional-current conductors configured to provide the device to be monitored with electrical energy in the form of a directional current; and wherein the measurement device is configured to measure a signed sum of currents in the at least two directional-current conductors to acquire the measurement signal. - View Dependent Claims (47, 48, 49, 50, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63)
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43. A system for detecting an electrostatic discharge event with respect to a device to be monitored, the system comprising:
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a device to be monitored, wherein the device to be monitored is connected to a power supply via a power supply connection; a current measurement device configured to measure a current flowing via the power supply connection or a current component thereof, to acquire a current measurement signal representing the current or the current component; and an electrostatic discharge event detector configured to detect an electrostatic discharge event in response to a pulse of the current measurement signal, wherein the power supply connection comprises a single-phase alternating-current mains connection comprising a phase conductor and a neutral conductor, wherein the single phase alternating-current mains connection is configured to provide the device to be monitored with electrical energy in the form of an alternating current; and wherein the current measurement device is configured to measure a signed sum of currents in the phase conductor and the neutral conductor to acquire the current measurement signal.
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44. A system for detecting an electrostatic discharge event with respect to a device to be monitored, the system comprising:
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a device to be monitored, wherein the device to be monitored is connected to a power supply via a power supply connection; a current measurement device configured to measure a current flowing via the power supply connection or a current component thereof, to acquire a current measurement signal representing the current or the current component; and an electrostatic discharge event detector configured to detect an electrostatic discharge event in response to a pulse of the current measurement signal, wherein the power supply connection comprises a multiphase alternating-current mains connection comprising a plurality of phase conductors and at least one neutral conductor, wherein the multi phase alternating-current mains connection is configured to provide the device to be monitored with electrical energy in the form of an alternating current; and wherein the current measurement device is configured to measure a signed sum of currents in the plurality of phase conductors and the neutral conductor to acquire the current measurement signal.
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45. A system for detecting an electrostatic discharge event with respect to a device to be monitored, the system comprising:
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a device to be monitored, wherein the device to be monitored is connected to a power supply via a power supply connection; a current measurement device configured to measure a current flowing via the power supply connection or a current component thereof, to acquire a current measurement signal representing the current or the current component; and an electrostatic discharge event detector configured to detect an electrostatic discharge event in response to a pulse of the current measurement signal, wherein the power supply connection comprises a plurality of power supply conductors configured to provide electrical energy to the device to be monitored, and at least one protective earth conductor configured to connect the device to be monitored to a protective earth, wherein the current measurement device is configured to measure a signed sum of currents in the plurality of power supply conductors and the protective earth conductor. - View Dependent Claims (46)
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51. The system according to claim 51, wherein the sampling device is configured to
generate a trigger event in response to the input signal reaching or exceeding a pre-determined trigger threshold; -
transmit a service request message to the control computer in response to the trigger event; and capture at least a portion of a waveform of the input signal in response to the trigger event.
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52. The system according to claim 52, wherein the control computer is configured to acquire the captured portion of the waveform from the sampling device and to save the captured portion of the wave form in a data base.
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64. A method for detecting an electrostatic discharge event with respect to a device to be monitored, wherein the device to be monitored is connected to a power supply via a power supply connection comprising at least two directional-current conductors configured to provide the device to be monitored with electrical energy in the form of a directional current, the method comprising:
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measuring a signed sum of currents in the at least two directional-current conductors to acquire a current measurement signal; and detecting an electrostatic discharge event in response to a pulse of the current measurement signal.
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65. A method for detecting an electrostatic discharge event with respect to a device to be monitored, wherein the device is connected to a power supply via a power supply connection comprising a single-phase alternating-current mains connection comprising a phase conductor and a neutral conductor, wherein the single phase alternating-current mains connection is configured to provide the device to be monitored with electrical energy in the form of an alternating current, the method comprising:
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measuring a signed sum of currents in the phase conductor and the neutral conductor to acquire a current measurement signal; and detecting an electrostatic discharge event in response to a pulse of the current measurement signal.
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66. A method for detecting an electrostatic discharge event with respect to a device to be monitored, wherein the device to be monitored is connected to a power supply via a power supply connection comprising a multiphase alternating-current mains connection comprising a plurality of phase conductors and at least one neutral conductor, wherein the multi phase alternating-current mains connection is configured to provide the device to be monitored with electrical energy in the form of an alternating current, the method comprising:
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measuring a signed sum of currents in the plurality of phase conductors and the neutral conductor to acquire the current measurement signal; and detecting an electrostatic discharge event in response to a pulse of the current measurement signal.
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67. A method for detecting an electrostatic discharge event with respect to a device to be monitored, wherein the device to be monitored is connected to a power supply via a power supply connection comprising a plurality of power supply conductors configured to provide electrical energy to the device to be monitored, and at least one protective earth conductor configured to connect the device to be monitored to a protective earth, the method comprising:
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measuring a signed sum of currents in the plurality of power supply conductors and the protective earth conductor; and detecting an electrostatic discharge event in response to a pulse of the current measurement signal.
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68. A computer program for performing, when the computer program runs on a computer, a method for detecting an electrostatic discharge event with respect to a device to be monitored, wherein the device to be monitored is connected to a power supply via a power supply connection comprising at least two directional-current conductors configured to provide the device to be monitored with electrical energy in the form of a directional current, the method comprising:
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measuring a signed sum of currents in the at least two directional-current conductors to acquire a current measurement signal; and detecting an electrostatic discharge event in response to a pulse of the current measurement signal.
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69. A computer program for performing, when the computer program runs on a computer, a method for detecting an electrostatic discharge event with respect to a device to be monitored, wherein the device is connected to a power supply via a power supply connection comprising a single-phase alternating-current mains connection comprising a phase conductor and a neutral conductor, wherein the single phase alternating-current mains connection is configured to provide the device to be monitored with electrical energy in the form of an alternating current, the method comprising:
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measuring a signed sum of currents in the phase conductor and the neutral conductor to acquire a current measurement signal; and detecting an electrostatic discharge event in response to a pulse of the current measurement signal.
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70. A computer program for performing, when the computer program runs on a computer, a method for detecting an electrostatic discharge event with respect to a device to be monitored, wherein the device to be monitored is connected to a power supply via a power supply connection comprising a multiphase alternating-current mains connection comprising a plurality of phase conductors and at least one neutral conductor, wherein the multi phase alternating-current mains connection is configured to provide the device to be monitored with electrical energy in the form of an alternating current, the method comprising:
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measuring a signed sum of currents in the plurality of phase conductors and the neutral conductor to acquire the current measurement signal; and detecting an electrostatic discharge event in response to a pulse of the current measurement signal.
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71. A computer program for performing, when the computer program runs on a computer, a method for detecting an electrostatic discharge event with respect to a device to be monitored, wherein the device to be monitored is connected to a power supply via a power supply connection comprising a plurality of power supply conductors configured to provide electrical energy to the device to be monitored, and at least one protective earth conductor configured to connect the device to be monitored to a protective earth, the method comprising:
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measuring a signed sum of currents in the plurality of power supply conductors and the protective earth conductor; and detecting an electrostatic discharge event in response to a pulse of the current measurement signal.
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Specification