Invention Grant
- Patent Title: Voltage measurement device with an insulating body
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Application No.: US14611532Application Date: 2015-02-02
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Publication No.: US09696345B2Publication Date: 2017-07-04
- Inventor: Radek Javora , Jaromir Podzemny , David Raschka , Marek Pavlas , Petr Velesik
- Applicant: ABB TECHNOLOGY AG
- Applicant Address: CH Baden
- Assignee: ABB Schweiz AG
- Current Assignee: ABB Schweiz AG
- Current Assignee Address: CH Baden
- Agency: Taft Stettinius & Hollister LLP
- Priority: EP12005658 20120803
- Main IPC: G01R1/18
- IPC: G01R1/18 ; G01R15/04 ; G01R19/00

Abstract:
A voltage measurement device includes an insulating body, for the use in medium- or high-voltage equipment or switchgears The insulating body includes an impedance divider having at least one high voltage impedance and at least one low voltage impedance in series, and with shielding electrodes. In order to optimize the circuit design for voltage measurement design in a given application and prevent the risk of malfunction when the same device it is used in multiple applications or at severe environmental or operating conditions, the device includes at least one high-voltage shielding electrode and/or at least one low-voltage shielding electrode which dimensions together establish a physical length of the impedance divider. The shielding electrodes surround the high and/or low voltage impedances, which provide a specified voltage division ratio and which are located inside or outside of the insulating body. An output of the impedance divider is connected to a shielded cable.
Public/Granted literature
- US20150145502A1 VOLTAGE MEASUREMENT DEVICE WITH AN INSULATING BODY Public/Granted day:2015-05-28
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