• No results found

500 kV

Analysis of Strain Clamp Failure on 500 kV Transmission Line

Analysis of Strain Clamp Failure on 500 kV Transmission Line

... of 500 kV transmission line is the disconnec- tion between the aluminum tube and the steel anchor of strain clamp due to the improper crimping of the aluminum tube with thick ...

10

500 kV Single Phase Reclosing Evaluation Using Simplified Arc Model

500 kV Single Phase Reclosing Evaluation Using Simplified Arc Model

... The proposed simplified arc model is improved with published detailed arc model. Based on the arc model given in [14], the former detailed arc model described in [14] has been improved by the analysis of arc measurements ...

12

Systematic procedure to determine line current differential relay settings with back up distance for a 500 kV ac three phase line

Systematic procedure to determine line current differential relay settings with back up distance for a 500 kV ac three phase line

... At times a command to trip an intended circuit breaker (CB) may fail to achieve its mission because of a CB failure to trip. There are a many reasons why a CB may fail to trip once given a command to do so. Failure of a ...

182

Testing through Fall of Potential with High Current Injection in Grounding System in Transmission Line of 500 kV of Santo Antonio HPS

Testing through Fall of Potential with High Current Injection in Grounding System in Transmission Line of 500 kV of Santo Antonio HPS

... According to the public bidding of energy transmission number 007-2008 from the National Electric Energy Agency (ANEEL)—Brazil, technical reports [1] were presented for the integration of two Hydroelectric Power Stations ...

19

The Performance of Lightning Rod Arrester and Its Effect on the Top Potential of Tower for 500 kV Transmission System

The Performance of Lightning Rod Arrester and Its Effect on the Top Potential of Tower for 500 kV Transmission System

... To study the effect of lightning rod on the potential of tower, the lightning rod is installed on the top of an actual 500 kV tower, as shown in Figure 4. The bottom of the lightning rod is fixed by an ...

6

Influence of Unified Power Flow Controller on Flexible Alternating Current Transmission System Devices in 500 kV Transmission Line

Influence of Unified Power Flow Controller on Flexible Alternating Current Transmission System Devices in 500 kV Transmission Line

... The UPFC located at the right end of line L2 is used to control the active and reactive powers at the 500-kV bus B3, as well as the voltage at bus B_UPFC. It consists of a Phasor model of two 100-MVA, ...

8

Lightning Performance of Extra High Voltage 500 kV Lines at East Java- Indonesia

Lightning Performance of Extra High Voltage 500 kV Lines at East Java- Indonesia

... (SUTET) 500 kV yang dioperasikan oleh PT PLN Penyaluran dan Pusat Pengatur Beban Jawa- Bali dan menjadi saluran utama (backbone) sistem tena- ga listrik interkoneksi Jawa ...

9

Mechanical Study on using of ACCR Thermal Conductor at 500 kV SUTET

Mechanical Study on using of ACCR Thermal Conductor at 500 kV SUTET

... Penelitian dilakukan dengan menghitung besarnya temperatur, tegangan tarik, panjang dan andongan akibat perubahan arus yang mengalir pada kawat penghantar dengan menggunakan alat bantu perangkat lunak (software) ...

6

Distortion of Uniform Electric Field by Human Body of Technical Personal in Substations with Super High Voltages 330-500 kv

Distortion of Uniform Electric Field by Human Body of Technical Personal in Substations with Super High Voltages 330-500 kv

... This paper is revised and extended version of the paper [7]. Electrical system with super high voltage is a source of a harmful, non-uniformly distributed in space, 50 Hz fre- quency electric field. The electric field ...

11

Lightning Protection of ± 500 kV Three circuit Direct Current Overhead Transmission Lines on the Same Tower

Lightning Protection of ± 500 kV Three circuit Direct Current Overhead Transmission Lines on the Same Tower

... At present, traveling wave method and electrical geometric model method are commonly used in the analysis of lightning back striking and shielding failure at home and abroad [2-5]. And a lot of research is also carried ...

7

Safety Distance Determination for 500 kV AC Transmission Line’s Helicopter Inspection

Safety Distance Determination for 500 kV AC Transmission Line’s Helicopter Inspection

... In this paper, the electric field strength near the cabin at locations of different distance from transmission lines is investigated by calculation, and the field in the helicopter cabin[r] ...

6

A Comparative Analysis of the Economic Performance of New Energy saving Wires Based on Life Cycle Cost

A Comparative Analysis of the Economic Performance of New Energy saving Wires Based on Life Cycle Cost

... In this paper, a typical 500-kV transmission line is chosen as the line condition for calculation. Suppose that the economic service lives of the three new wire types are 30 years each, and the unit price ...

11

Optimization of the Accelerators for the ITER Neutral Beam Injector Project

Optimization of the Accelerators for the ITER Neutral Beam Injector Project

... A joint Japan-EU R&D activity is in progress to optimize the accelerator for the ITER NBI. The accelerator baseline design is based on a five grids system which can be adapted to operate with three grids for initial ...

5

Test Plan for Real-Time Modeling & Simulation of Single Pole Switching Relays

Test Plan for Real-Time Modeling & Simulation of Single Pole Switching Relays

... Real-time simulation of critical evolving fault condition on a 500 kv transmission network for testing of high performance protection relays. In Power Engineering Society Winter Meeting,[r] ...

122

Measuring electromagnetic fields (EMF) around wind turbines in Canada: is there a human health concern?

Measuring electromagnetic fields (EMF) around wind turbines in Canada: is there a human health concern?

... The mean EMF level (characterized here by magnetic flux density) measured were 0.9 mG (n = 11) at the base of the wind turbines and dropped off to background levels (0.2-0.3 mG) within 2 m with levels consistently ...

8

Impact van het 20 kV beleid van Liander op de netverliezen
in het middenspanningsnet

Impact van het 20 kV beleid van Liander op de netverliezen in het middenspanningsnet

... In de Anklaar situatie zijn er twee 150/50 kV van 100 MVA transformatoren. Uitgaande van 1,5 MVA per afgaande veld [8], gaat er door elk van deze transformator 12 MVA. Daarnaast zijn er nog drie 50/10 kV ...

26

500 feet of Sunset

500 feet of Sunset

... As mentioned before, Goethe stipulates that there are three types of color: Physiological - as apparent effects produced by the retina; Physical - as chromatic effects that change and [r] ...

40

KDX-500 INSTALLATION

KDX-500 INSTALLATION

... The KXD-500 KSU can be installed “free-standing” or wall mounted. For wall mounting remove the two screws on the front of the cabinet securing the top. Lift up the top panel from the front and remove it. Remove ...

50

Advantages of 70 kV CT Angiography for the Visualization of the Adamkiewicz Artery: Comparison with 120 kV Imaging

Advantages of 70 kV CT Angiography for the Visualization of the Adamkiewicz Artery: Comparison with 120 kV Imaging

... higher (90.0% versus 83.3%, respectively; P ⫽ .28) (Table 2). The difference in detectability between 70- and 120-kV CTA was ⫹ 6.6% (90% CI, ⫺ 3.9% to ⫹ 16.8%). For accuracy of detection of the correct CSA, ...

7

Relaying Pannel Road 345 kV

Relaying Pannel Road 345 kV

... Page General Electric GEH 1770A - GEH 1788E - GEH 1814A - GEH 1816 - Differential Voltage Relays Time Overcurrent Relays Voltage Relays Transformer Differential Percentage with GEH 2030A[r] ...

63

Show all 2939 documents...

Related subjects