Title: A fundamental step-up method for standard voltage transformers based on an active capacitive high-voltage divider
Authors: Mohns, Enrico, Physikalisch-Technische Bundesanstalt (PTB), Fachbereich 2.3, Elektrische Energiemesstechnik, ORCID: 0000-0001-5098-9396
Chunyang, Jiang, China Electric Power Research Institute, Wuhan, China
Badura, Henrik, Physikalisch-Technische Bundesanstalt (PTB), Fachbereich Fachbereich 2.3, Elektrische Energiemesstechnik
Räther, Peter, Physikalisch-Technische Bundesanstalt (PTB), Fachbereich 2.3, Elektrische Energiemesstechnik
Contributors: HostingInstitution: Physikalisch-Technische Bundesanstalt (PTB), ISNI: 0000 0001 2186 1887
Resource Type: Text / Article
Publisher: Physikalisch-Technische Bundesanstalt (PTB)
Rights: Private use is allowed for non-profit purposes only.
Relationships: IsVariantFormOf: DOI 10.1109/TIM.2018.2880055
Dates: Available: 2019-04-10
File: Download File (application/pdf) 1.05 MB (1106197 Bytes)
MD5 Checksum: 37c1bc43956a7204c81f8559ed878e75
SHA256 Checksum: 1824468249e476db0461661a64b6d24b4874608674ba58e1fef351838987416b
Keywords: Capacitive divider ; high voltage ; inductive voltage divider (IVD) ; phase displacement ; ratio error ; uncertainty ; voltage transformer (VT)
Abstract: This paper presents the new fundamental step-up method for standard voltage transformers (VTs) at the Physikalisch-Technische Bundesanstalt, as well as the setup of the required components. A main component is an active low-voltage capacitor, designed to realize capacitive voltage dividers by means of compressed gas, high-voltage capacitors for rated primary voltages between 5 kV and 800 kV/√ 3. This divider has a negligible voltage dependence and low phase errors at 50/60 Hz. Using the other components, mainly a two-stage VT with integrated inductive voltage divider and a sampling-based voltage comparator, a transfer uncertainty for one build-up step of below 1· 10⁻⁶ (k = 2) has been reached.
Citation: E. Mohns, J. Chunyang, H. Badura and P. Raether, "A Fundamental Step-Up Method for Standard Voltage Transformers Based on an Active Capacitive High-Voltage Divider," in IEEE Transactions on Instrumentation and Measurement. doi: 10.1109/TIM.2018.2880055