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KK – Pfiffner Group
Voltage dividers / coupling capacitors of the series KK consist of 1 or more modular units, built into glass fibre reinforced epoxy tubes
Hydraulic coupling vibration characteristics and control of …
The values of the two frequencies of DRPs of z 1 and z 2 lead to the strength of the coupling effect, and then determine the frequencies of hydraulic coupling vibration of …
Electrical Surge Protection at Hydropower Plants
surge capacitors. The design and dimension of these components vary between different sites and regions and are often done using a template without considering the actual conditions of …
9230 Series
Hydropower Station Hirschthal; PFIFFNER Turkey; PFIFFNER Germany; PFIFFNER Brazil; PFIFFNER Systems; MOSER GLASER; ALPHA-ET; HAVECO; HAEFELY. HAEFELY. About …
IMPLICATION OF CAPACITOR COUPLING SUBSTATION ON …
Capacitive-Coupling Sub-station (CCS) for a particular power transmission network with regard to cost, reliability, performance and local conditions. Fig 1. High Voltage transmission...
(PDF) Research on the Hydropower Coupling-Based Hydropower Station …
The case study with eight hydropower stations in Sichuan Province of China shows that the three stations can get an increase of 2.23% in market shares and 2.13% in …
About Us
For nearly five years in the country to undertake more than 120 500kV substations and converter station project more than 350 sets of capacitors, the Three Gorges - Guangdong 500kV HVDC …
Influencing factors and countermeasure analysis of a 800kV coupling …
The thesis analyzes the abnormality of the dielectric loss factor test data of 800kV coupling capacitors in UHV converter stations from the structure, use conditions and test …
Hydraulic coupling vibration characteristics and control of hydropower …
This paper studies the optimization of hydraulic parameters for pipeline system of hydropower station with super long headrace tunnel (HSSLHT) based on mayfly algorithm …
Hydraulic coupling vibration characteristics and control of …
This paper studies the optimization of hydraulic parameters for pipeline system of hydropower station with super long headrace tunnel (HSSLHT) based on mayfly algorithm …
Hydraulic coupling vibration characteristics and control of hydropower …
From the perspective of hydraulic transients [9], [10], the transient processes of hydropower station with UDST are complex.The setting of UST and DST introduces the water …
Coupling dynamic characteristics and transient power angle …
The research on the dynamic characteristics and transient power angle instability of hydropower station from the perspective of coupling effects of surge tank, turbine unit and …
(PDF) Research on the Hydropower Coupling-Based Hydropower …
The case study with eight hydropower stations in Sichuan Province of China shows that the three stations can get an increase of 2.23% in market shares and 2.13% in …
Hydraulic coupling vibration characteristics and control of hydropower …
The values of the two frequencies of DRPs of z 1 and z 2 lead to the strength of the coupling effect, and then determine the frequencies of hydraulic coupling vibration of …
Capacity optimization of retrofitting cascade hydropower plants …
If the size ratio of pumping station to upstream hydropower HP1 ranges from 0.08 to 1, the optimal PV plant size can be increased by 12.9 % to 50.3 %, and the NPV of PV can be …
Open Access proceedings Journal of Physics: Conference series
The coupling capacitor can prevent DC voltage from intruding into the impulse voltage generator. Meanwhile, it can ensure that the operation impulse voltage is added to the
(PDF) Coupling optimization model of hydropower station …
In order to increase the average power generation of a hydropower station and reduce its water consumption, this paper proposes a hydropower dispatching coupling …
A Weak‐Coupling Flow‐Power Forecasting Method for Small Hydropower …
1. Introduction. A large quantity of small hydropower stations is emerging in some remote mountain areas due to the motivation of rural revitalization and renewable …
(PDF) Sources of vibration and their treatment in …
Vibration condition monitoring (VCM) enhances the performance of Hydro Generating Equipment (HGE) by minimizing the damage and break down chances, so that equipment stay available for a longer time.
Hydraulic coupling vibration characteristics and control of hydropower …
Download Citation | Hydraulic coupling vibration characteristics and control of hydropower station with upstream and downstream surge tanks | This paper investigates the …
IMPLICATION OF CAPACITOR COUPLING SUBSTATION ON RURAL …
Capacitive-Coupling Sub-station (CCS) for a particular power transmission network with regard to cost, reliability, performance and local conditions. Fig 1. High Voltage transmission...
Influencing factors and countermeasure analysis of a 800kV …
The thesis analyzes the abnormality of the dielectric loss factor test data of 800kV coupling capacitors in UHV converter stations from the structure, use conditions and test …
Design Aspects of Small-Hydropower Plant
International Journal of Engineering and Advanced Technology (IJEAT)ISSN: 2249 – 8958,Volume-2, Issue-5, June 201339Design of Micro - Hydro - Electric Power Station …
Hydraulic-mechanical-electrical coupled model framework of …
A variable-speed pumped-storage power station (VSPSU) has superior flexibility and efficiency, which can effectively address the issue of integrating intermittent renewable …