2019 Vol. 31, No. 7
Display Method:
2019,
31: 1-2.
2019,
31: 070001.
doi: 10.11884/HPLPB201931.190202
Abstract:
With the increase in the system scale and informatization level of the critical national infrastructures, the electromagnetic security in extreme electromagnetic environments such as the high-altitude electromagnetic pulse, the intentional electromag...
With the increase in the system scale and informatization level of the critical national infrastructures, the electromagnetic security in extreme electromagnetic environments such as the high-altitude electromagnetic pulse, the intentional electromag...
2019,
31: 070002.
doi: 10.11884/HPLPB201931.190140
Abstract:
The early-time high-altitude electromagnetic pulse is an important component of the electromagnetic effect of high-altitude nuclear burst. The relative simulation research work at home and abroad are studied and compared. One of the classical methods...
The early-time high-altitude electromagnetic pulse is an important component of the electromagnetic effect of high-altitude nuclear burst. The relative simulation research work at home and abroad are studied and compared. One of the classical methods...
2019,
31: 070003.
doi: 10.11884/HPLPB201931.190142
Abstract:
This paper presents an efficient time-domain macromodeling algorithm to calculate current and voltage responses of overhead and buried lines to incident field coupling. Based on transmission line theory, the proposed macromodel adopts the analog beha...
This paper presents an efficient time-domain macromodeling algorithm to calculate current and voltage responses of overhead and buried lines to incident field coupling. Based on transmission line theory, the proposed macromodel adopts the analog beha...
2019,
31: 070004.
doi: 10.11884/HPLPB201931.180303
Abstract:
The focus of this paper is the electromagnetic characteristics of cylindrical wire grid cage, an equivalent substitute for a hollow conductor cylinder. First of all, the equivalent radius is derived based on the conformal transformation and the equiv...
The focus of this paper is the electromagnetic characteristics of cylindrical wire grid cage, an equivalent substitute for a hollow conductor cylinder. First of all, the equivalent radius is derived based on the conformal transformation and the equiv...
2019,
31: 070005.
doi: 10.11884/HPLPB201931.180383
Abstract:
During the flashover experiments of parallel-plate electrodes in SF6, a double-peak phenomenon is discovered that a small peak occurs in the front-edge of the applied nanosecond pulse voltage which is originally smooth. In order to explore the cause ...
During the flashover experiments of parallel-plate electrodes in SF6, a double-peak phenomenon is discovered that a small peak occurs in the front-edge of the applied nanosecond pulse voltage which is originally smooth. In order to explore the cause ...
2019,
31: 070006.
doi: 10.11884/HPLPB201931.180356
Abstract:
The results of investigation of flashovers and damages of power line insulators due to high voltage pulses with power on and power off have shown that joint action of a pulse disturbance and operating voltage of a power line can lead to catastrophic ...
The results of investigation of flashovers and damages of power line insulators due to high voltage pulses with power on and power off have shown that joint action of a pulse disturbance and operating voltage of a power line can lead to catastrophic ...
2019,
31: 070007.
doi: 10.11884/HPLPB201931.190184
Abstract:
With the improvement of the intellectualization and overall scale of power grid, modern power system is more and more vulnerable to the threat of high-altitude electromagnetic pulse. Once the key link fails, cascading reactions may occur, resulting i...
With the improvement of the intellectualization and overall scale of power grid, modern power system is more and more vulnerable to the threat of high-altitude electromagnetic pulse. Once the key link fails, cascading reactions may occur, resulting i...
2019,
31: 070008.
doi: 10.11884/HPLPB201931.190118
Abstract:
A new differential switched oscillator is designed to generate a differential damped sinusoidal signal with a center frequency of 300 MHz. Besides, a radiation system based on a differential switched oscillator and associated helical antenna is desig...
A new differential switched oscillator is designed to generate a differential damped sinusoidal signal with a center frequency of 300 MHz. Besides, a radiation system based on a differential switched oscillator and associated helical antenna is desig...
2019,
31: 070009.
doi: 10.11884/HPLPB201931.190054
Abstract:
The geomagnetic induced current (GIC) caused by geomagnetic storm may result in DC bias of the transformer, which poses threats to the safe and stable operation of the power grid.Remote real-time monitoring of GIC can provide important reference for ...
The geomagnetic induced current (GIC) caused by geomagnetic storm may result in DC bias of the transformer, which poses threats to the safe and stable operation of the power grid.Remote real-time monitoring of GIC can provide important reference for ...
2019,
31: 070010.
doi: 10.11884/HPLPB201931.190106
Abstract:
Geomagnetically Induced Current (GIC) can cause DC bias of the transformer.The derivative effect of DC bias may threaten the safety of power equipment and power grid.In view of the fact that many input parameters are uncertain variables in GIC calcul...
Geomagnetically Induced Current (GIC) can cause DC bias of the transformer.The derivative effect of DC bias may threaten the safety of power equipment and power grid.In view of the fact that many input parameters are uncertain variables in GIC calcul...
2019,
31: 070011.
doi: 10.11884/HPLPB201931.190100
Abstract:
Based on the time-domain field-circuit coupling model of UHV transformer, the partial differential equation model of transient circuit is established by using the principle of energy disturbance in the magnetic field model and the dynamic inductance ...
Based on the time-domain field-circuit coupling model of UHV transformer, the partial differential equation model of transient circuit is established by using the principle of energy disturbance in the magnetic field model and the dynamic inductance ...
2019,
31: 070012.
doi: 10.11884/HPLPB201931.190119
Abstract:
Pipeline corrosion is easily aggravated at the boundary of the earth's electrical structure.The pipeline passing through the earth interface is subject to greater risk of geomagnetic storm disaster at the demarcation point.The algorithm in this paper...
Pipeline corrosion is easily aggravated at the boundary of the earth's electrical structure.The pipeline passing through the earth interface is subject to greater risk of geomagnetic storm disaster at the demarcation point.The algorithm in this paper...
2019,
31: 070013.
doi: 10.11884/HPLPB201931.190120
Abstract:
The specific electrical structure around the homogeneous earth can generate eddy current in this homogeneous geology.In this paper, the equivalent current source is inverted from the data of several geomagnetic stations and the geoelectric model is c...
The specific electrical structure around the homogeneous earth can generate eddy current in this homogeneous geology.In this paper, the equivalent current source is inverted from the data of several geomagnetic stations and the geoelectric model is c...
2019,
31: 070014.
doi: 10.11884/HPLPB201931.190173
Abstract:
In the condition of strong magnetic storm, geo-magnetically induced current (GIC) flowing through the neutral point of the transformer, causes the increase of reactive power loss of the transformer.This might lead to overload of the reactive power co...
In the condition of strong magnetic storm, geo-magnetically induced current (GIC) flowing through the neutral point of the transformer, causes the increase of reactive power loss of the transformer.This might lead to overload of the reactive power co...
2019,
31: 070015.
doi: 10.11884/HPLPB201931.190171
Abstract:
Geomagnetic disturbances will induce Geomagnetically Induced Current (GIC) in high voltage power grid, which will cause cascading failure in power grid, resulting in power system collapse or blackout.Therefore, research on risk assessment of cascadin...
Geomagnetic disturbances will induce Geomagnetically Induced Current (GIC) in high voltage power grid, which will cause cascading failure in power grid, resulting in power system collapse or blackout.Therefore, research on risk assessment of cascadin...
2019,
31: 070016.
doi: 10.11884/HPLPB201931.190116
Abstract:
Geomagnetic storms are violent disturbances of the geomagnetic field around the world, which produce geomagnetic induced currents (GIC) in power system.Power transformer enters the half-wave saturation state under the influence of GIC.The harmonics a...
Geomagnetic storms are violent disturbances of the geomagnetic field around the world, which produce geomagnetic induced currents (GIC) in power system.Power transformer enters the half-wave saturation state under the influence of GIC.The harmonics a...