Filters
Evaluation method for determining of the probability of an asymmetrical fault location in a distribution network and a monitoring system for performing such method
is evaluated based on exceeding a change limit of a current negative phase-sequence component, records of change of a voltage negative phase-sequence component recorded in the voltage negativ...
Energy and fuels
- 2017 •
- P •
- Link
Rok uplatnění
P - Patent
Výsledek na webu
Independent Control of Positive- and Negative-Sequence Current Components in Doubly Fed Machine.
The present paper analyses operation of a power unit with a doubly fed machine. A novel vector control method is presented which enables independent control of both positive- and negative-sequence components of stator curre...
JA - Elektronika a optoelektronika, elektrotechnika
- 2002 •
- D
Rok uplatnění
D - Stať ve sborníku
Development of Negative Sequence Relay Model Processing IEC 61850-9-2 Sampled Values
This paper focuses on development of negative sequence relay model that is processing IEC 61850-9-2 Sampled Values. The detection of negative sequence current and fast, reliable operation of protection relay is use...
Energy and fuels
- 2016 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Independent Control of Positive- and Negative-Sequence Current Components in a Doubly Fed Machine
This paper analyses the operation of a power unit with a doubly fed machine. A novel vector control method is presented which enables independent control of both positive- and negative-sequence components of stator currents...
JA - Elektronika a optoelektronika, elektrotechnika
- 2005 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Control Techniques of Grid Connected PWM Rectifiers under Unbalanced Input Voltage Conditions
containing both the positive and the negative sequence components, and minimize the wrong the negative sequence component in the grid voltage. The negative sequence componen...
JA - Elektronika a optoelektronika, elektrotechnika
- 2013 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Control Strategy of PWM Rectifiers Connected to Unbalanced Grids
with grids containing both the positive and negative sequence components are summarizedCurrent controlled voltage source converters are widely used in grid-connected applications, for example at ac drives with indirect fre...
JA - Elektronika a optoelektronika, elektrotechnika
- 2013 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Extended Vector Control of Doubly Fed Machine under Unbalanced Power Network Conditions.
The present paper analyses operation of a power unit with a doubly fed machine under the condition of unbalanced voltage supply applied to the stator. An extended vector control method is proposed to increase the immunity to a negative s...
JA - Elektronika a optoelektronika, elektrotechnika
- 2002 •
- D
Rok uplatnění
D - Stať ve sborníku
Control Strategy of PWM Rectifiers Connected to Unbalanced Grids
with grids containing both the positive and negative sequence components are summarizedCurrent-controlled voltage source converters are widely used in grid-connected applications, for example at ac drives with indirect fre...
JE - Nejaderná energetika, spotřeba a užití energie
- 2013 •
- D
Rok uplatnění
D - Stať ve sborníku
New three phase PLL and FLL techniques for converters used in distributed sources
A critical comparison of three prospective PLL and FLL strategies, namely those based on the CDSC, DSOGI, and MAF filtering techniques for elimination of noises, harmonics, and negative sequence is presented in the paper. Simulation...
Energy and fuels
- 2015 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Control Techniques of Grid Connected PWM Rectifiers under Unbalanced Input Voltage Conditions
containing both the positive and the negative sequence component, and minimize the wrong technique was realised. There is also necessary to compensate the negative sequencecomponent in the grid voltage. The ne...
JA - Elektronika a optoelektronika, elektrotechnika
- 2012 •
- D
Rok uplatnění
D - Stať ve sborníku
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