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Method and system for detecting occurrence and timing of events in a power system

A technology of power systems and events, applied in the field of power systems

Active Publication Date: 2022-04-26
DANFOSS EDITRON OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in many cases, it can be challenging to identify which phenomena (such as, for example, abrupt changes in current and / or voltage) indicated by the recorded waveform samples are the cause and which in turn are the consequences

Method used

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  • Method and system for detecting occurrence and timing of events in a power system
  • Method and system for detecting occurrence and timing of events in a power system
  • Method and system for detecting occurrence and timing of events in a power system

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Embodiment Construction

[0022] The specific examples provided in the description below should not be construed as limiting the scope and / or applicability of the appended claims. Unless expressly stated otherwise, the list of examples and groups of examples provided in the description are not exhaustive.

[0023] Figure 1a A schematic illustration of a power system according to an exemplary and non-limiting embodiment of the invention is shown. In this exemplary case, the electrical system is part of the electrical system of a ship or ferry. The electrical system includes a generator 107 driven by an internal combustion engine 122 which may be, for example, a diesel engine. The power system includes motors 108 and 109 for driving the actuators. In this exemplary case, the actuator is a propeller. Additionally, the power system may include, for example, a lighting system 120 . The power system includes a power control system for delivering power from generator 107 to motors 108 and 109 and other p...

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Abstract

A power system includes recording devices (101-105) located at different elements of the power system and configured for recording waveform samples of quantities related to the operation of the elements of the power system. The power system includes a central device (106) configured to receive the recorded waveform samples from the recording devices. The recording devices are synchronized to maintain a common clock time and associate to the recorded waveform samples one or more timing values ​​indicative of the clock time during recording of each of the waveform samples. Since the timing values ​​are correlated to the waveform samples, the time sequence of the phenomena indicated by the recorded waveform samples can be reconstructed. Thus, when analyzing what happened eg prior to a fault condition, it is possible to identify which phenomena are causes and which phenomena are consequences.

Description

technical field [0001] The present disclosure relates to a power system including elements such as, for example but not necessarily, generators, motors, and power converters. Furthermore, the present disclosure relates to a method for monitoring a power system. This patent application claims priority based on European patent application 17161993.5. Background technique [0002] In many cases, a power system includes components such as generators, motors, and power converters. Additionally, the power system may include protector elements such as, for example, overcurrent protectors, overvoltage protectors, undervoltage protectors, and thermal protectors. For example, an overcurrent protector may be, for example, a fuse or a relay configured to open a circuit when the current is too high to be dangerous. As another example, a thermal protector may include one or more temperature sensors, and a relay configured to cut off power when the one or more measured temperatures are ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/08G01R19/25G01R31/00H02H1/00H02H3/04H02H7/26
CPCG01R19/2513G01R31/088H02J4/00H02J2310/42H02J13/00002G01R19/2509H02H1/0007H02J13/00001
Inventor 马蒂·伊斯卡纽斯里斯托·泰恩
Owner DANFOSS EDITRON OY
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