• No results found

extruded DC power cables

The coming of Age of HVDC extruded power cables

The coming of Age of HVDC extruded power cables

... In 1985, Maeno et al, invented the pulsed electro-acoustic technique. This did not catch on fast since it required what were at the time difficult expensive electronics involving a pulse generator for repetitive high ...

15

Dielectric spectroscopy study of thermally-aged extruded model power cables

Dielectric spectroscopy study of thermally-aged extruded model power cables

... has little contribution in this frequency range, the dielectric loss may be intrinsic to the cable insulation. This intrinsic loss has different temperature dependence to that of the DC conduction loss. The ...

6

Dielectric spectroscopy study of thermally-aged extruded model power cables

Dielectric spectroscopy study of thermally-aged extruded model power cables

... has little contribution in this frequency range, the dielectric loss may be intrinsic to the cable insulation. This intrinsic loss has different temperature dependence to that of the DC conduction loss. The ...

5

Technical consideration and impact of converting overhead power lines to underground power cables

Technical consideration and impact of converting overhead power lines to underground power cables

... Company (PSEG) Hudson Generating station in New Jersey, while in 1974 Europe installed the First Gas Insulated Transmission Line to connect the electrical generator of a hydro pump storage plant in Schluchsee, Germany. ...

350

High Step-up Converter for Closed Loop Controller with Three-Winding Coupled Inductor for Renewable Energy Sources

High Step-up Converter for Closed Loop Controller with Three-Winding Coupled Inductor for Renewable Energy Sources

... high DC voltage gain for extreme duty cycle. Thus high step up dc-dc converters are used as front end converters to step from low voltage to high voltage which are required to have a large conversion ...

7

Power System Dynamic Voltage Management with Advanced STATCOM and Energy Storage System

Power System Dynamic Voltage Management with Advanced STATCOM and Energy Storage System

... real power injection at this bus while keeping the rest of the system ...the power with a unity power factor at the simulated operating conditions, there is about 30 MW real power injection ...

178

Topological Issues Related to Single Phase Power Factor Correction

Topological Issues Related to Single Phase Power Factor Correction

... switching DC-to-DC converter”, in ...switched-mode power conversion, ...unity power factor”, in Conference Record of the 1993 IEEE Industry Applications Society Annual Meeting, IAS’93, ...

5

Design, Fabrication and Testing of an UPS using PWM Control a Prototype

Design, Fabrication and Testing of an UPS using PWM Control a Prototype

... to DC and DC to AC power UPS, which aim efficiently transform an AC to DC and also DC power source to a high voltage AC power source similar to that would be available at ...

8

Method for rating power cables buried in surface troughs

Method for rating power cables buried in surface troughs

... thermal resistance of kth element KW I air temperature “C ground temperature “C electrical resistance per unit length Pm-l windspeed ms-‘ dielectric loss per unit length Wm-I angle of el[r] ...

5

A Compact n
-Way Wilkinson Power Divider Using a Novel Coaxial Cable Implementation for VHF Band

A Compact n -Way Wilkinson Power Divider Using a Novel Coaxial Cable Implementation for VHF Band

... Wilkinson power dividers using series and parallel combination of coaxial cables enables the design of single stage compact power dividers having good isolation, low insertion loss and capable of ...

7

Vol 3, No 9 (2015)

Vol 3, No 9 (2015)

... for DC motors are simpler and less expensive than those for AC motors, DC motors are preferred where wide speed range control is ...of DC drive is obtained by using power electronic device fed ...

7

Current-limiting DC/DC power converters

Current-limiting DC/DC power converters

... in the right column of Fig. 5(b). On the other hand, with the traditional current-limiting technique, the inductor current violates several times the limit. The current limitation is not guaranteed during the transients. ...

9

A High Power Factor Switched Mode Power Supplied using Full Bridge Converter

A High Power Factor Switched Mode Power Supplied using Full Bridge Converter

... correct power semiconductors is critical Regulation of the output to provide a stabilized dc supply is carried out by the control / feedback ...the power switch is varied on a cycle by cycle ...main ...

8

A battery less power supply using supercapacitor as energy
storage powered by solar

A battery less power supply using supercapacitor as energy storage powered by solar

... battery-less power supply using supercapacitor as energy storage powered by ...battery-less power supply using supercapacitor as energy storage powered by solar has been ...the DC-DC boost ...

7

The Value of Day-Ahead Coordination of Power and Natural Gas Network Operations

The Value of Day-Ahead Coordination of Power and Natural Gas Network Operations

... DC-OPF: DC-Optimal Power Flow DC-PF: DC-Power Flow ED: Economic Dispatch EDC: Electric Driven Compressor GFPP: Gas Fired Power Plant GCV: Gross Calorific Value ISO: ...

20

Low Power AC-DC and DC-DC Multilevel Converters

Low Power AC-DC and DC-DC Multilevel Converters

... DC-AC multilevel converters that limit the voltage that their switches are exposed to half the dc bus voltage have been proposed in the power electronics literature and are widely used in high ...

219

DEFINITY Enterprise Communications Server Release 8.2 Installation and Test for Single-Carrier Cabinets

DEFINITY Enterprise Communications Server Release 8.2 Installation and Test for Single-Carrier Cabinets

... of DC current. A minimum of two rectifiers are installed in each DC Power Cabinet to supply a total of 100 ...three DC Power Cabinets can be stacked to supply power to ...

378

Effects of Harmonics on Power Loss in XLPE Cables

Effects of Harmonics on Power Loss in XLPE Cables

... Using this model, calculations are performed for aluminium and copper conductor XLPE cables of different size and type; for three different types of harmonics spectrums having total harm[r] ...

5

A Study for Building Smart Home Environment Based on Modular Equipment Design Concept

A Study for Building Smart Home Environment Based on Modular Equipment Design Concept

... use power cables, Internet cables, and moreover network cables that interconnect ...These cables are usually pulled into the changeable walls that compose the ...

7

The Insulation of HVDC Extruded Cable System Joints. Part 2: Proposal of a New AC Voltage PD Measurement Protocol for Quality Control during Routine Tests

The Insulation of HVDC Extruded Cable System Joints. Part 2: Proposal of a New AC Voltage PD Measurement Protocol for Quality Control during Routine Tests

... consider DC PD ...under DC voltage, suggesting the time interval Δt between adjacent discharges as the substitute for the phase information under AC, along with charge magnitude q to describe PD activities ...

9

Show all 10000 documents...

Related subjects