Disruptive strength with transient voltages

1910 ◽  
Vol 29 (5) ◽  
pp. 747-776 ◽  
Author(s):  
Joseph L. R. Hayden ◽  
Charles P. Steinmetz
Keyword(s):  
Transient Voltages

Disruptive strength with transient voltages

1910 ◽  
Vol 29 (11) ◽  
pp. 1853-1857
Author(s):  
J. L. R. Hayden ◽  
Charles P. Steinmetz
Keyword(s):  
Transient Voltages

Study on Responses of SPDs Against the Transient Voltages Generated by CG Flashes

2018 ◽  
Author(s):  
Nilantha Sapumanage ◽  
Sankha Nanayakkara ◽  
Lasantha Chandimal ◽  
Mahendra Fernando ◽  
Pasan Hettiarachchi ◽  
...  
Keyword(s):  
Transient Voltages

Measurement of Transient Voltages Induced by Disconnect Switch Operation

1985 ◽  
Vol PER-5 (1) ◽  
pp. 41-42 ◽  
Author(s):  
H. Murase ◽  
I. Ohshima ◽  
H. Aoyagi ◽  
I. Miwa
Keyword(s):  
Switch Operation ◽  
Transient Voltages ◽  
Disconnect Switch

Transient voltages and currents in series-compensated e.h.v. lines

1977 ◽  
Vol 124 (4) ◽  
pp. 383
Author(s):  
D.E. Fletcher ◽  
F. Iliceto ◽  
E. Cinieri ◽  
M. Cazzani ◽  
G. Santagostino
Keyword(s):  
In Series ◽  
Transient Voltages

scholarly journals Investigation of the Effects of the Arc Fault Resistance and Transient Resistance on the Overcurrent Ground Relay Protection Setting in Medium Voltage Electrical Power Lines

2020 ◽  
Vol 4 (1) ◽  
pp. 67-72
Author(s):  
Plamen Antonov Stanchev ◽  
Mediha Enver Mehmed-Hamza
Keyword(s):  
Power Transformer ◽  
Electrical Power ◽  
Relay Protection ◽  
Power Grids ◽  
Power Lines ◽  
Medium Voltage ◽  
Fault Resistance ◽  
Ground Fault ◽  
Determining Factors ◽  
Transient Voltages

In the medium voltage electrical power lines, the most common fault is the phase to ground fault. The determining factors for selection of the neutral grounding mode of the medium voltage electrical power lines are the selectivity of the relay protection, the transient voltages during phase to ground fault, the magnitude of the fault currents, etc. The paper studies the influence of the transient resistance of phase to ground fault on the selectivity and sensitivity of the earth fault protection when the neutral of the power transformer is grounded through active resistance in medium voltage power grids.

The Cole‐Cole model in time domain induced polarization

Geophysics ◽  
1981 ◽  
Vol 46 (6) ◽  
pp. 932-933 ◽  
Author(s):  
T. Lee
Keyword(s):  
Equivalent Circuit ◽  
Time Domain ◽  
Induced Polarization ◽  
Relaxation Model ◽  
Trivial Case ◽  
Alternative Expression ◽  
Transient Voltage ◽  
Transient Voltages ◽  
Cole Model ◽  
The Given

Recently Pelton et al. (1978) used a Cole‐Cole relaxation model to simulate the transient voltages that are observed during an induced‐polarization survey. These authors took the impedance of the equivalent circuit Z(ω) to be [Formula: see text]They then gave the expression for the transient voltage [Formula: see text] as [Formula: see text]In equation (2), [Formula: see text] was misprinted as [Formula: see text]. In these equations, [Formula: see text] and [Formula: see text], [Formula: see text] and τ are constants to be determined for the given model. [Formula: see text] is the height of the step current that will flow in the transmitter. A disadvantage of equation (2) is that it is only slowly convergent for large t/τ. Pelton et al. (1978) used a τ which ranged from [Formula: see text] to [Formula: see text]. The purpose of this note is to provide an alternative expression for [Formula: see text] that is valid only at the later stages but which does not have this disadvantage. The trivial case of c = 1.0 is ignored.

Disruptive Strength with Transient Voltages

1910 ◽  
Vol XXIX (2) ◽  
pp. 1125-1158 ◽  
Author(s):  
Joseph L. R. Hayden ◽  
Charles P. Steinmetz
Keyword(s):  
Transient Voltages
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