Characteristics of earth faults in power systems with a compensated or an unearthed neutral

S Hanninen, M Lehtonen, T Hakola… - … and Exhibition on …, 1997 - ieeexplore.ieee.org
This paper presents an analysis and comparison of earth fault characteristics in the medium
voltage distribution networks (20 kV) with high impedance earthing. The results presented …

Development and testing of a branch current based distribution system state estimator

A Mutanen, A Koto, A Kulmala… - 2011 46th …, 2011 - ieeexplore.ieee.org
The recent increase of distributed generation has forced many distribution network operators
to develop distribution automation and active network management. Many active distribution …

A method for detection and location of high resistance earth faults

S Hanninen, M Lehtonen… - Proceedings of EMPD'98 …, 1998 - ieeexplore.ieee.org
A method for detection and location of high resistance earth faults Page 1 A METHOD FOR
DETECTION AND LOCATION OF HIGH RESISTANCE EARTH FAULTS Seppo Hanninen", Matti …

Additional functions of remotely read kWh-meters

P Koponen, S Vehviläinen, J Rantanen - 1998 - osti.gov
In this chapter the possibilities to include new applications into remotely read smart kWh-
meters are considered. New electronic meters can measure various electric quantities and …

Optimisation of load control

P Koponen - 1998 - osti.gov
Electricity cannot be stored in large quantities. That is why the electricity supply and
consumption are always almost equal in large power supply systems. If this balance were …

An automatic fault management model for distribution networks

M Lehtonen, S Hanninen, T Laine… - … of EMPD'98. 1998 …, 1998 - ieeexplore.ieee.org
An automatic computer model for power system fault location, fault isolation and supply
restoration is presented. The model works as an integrated part of SCADA and distribution …

Load flows calculation in MV electric power distribution networks with the use of evolutionary algorithms and probabilistic rules

M Parol - Archives of Electrical Engineering, 2002 - infona.pl
Load flow calculations in MV electric power distribution networks have been described in the
paper. A deficit of measurement information is characteristic for the networks of this type. The …

Communication technologies for demand side management

P Uuspaeae - 1998 - osti.gov
The scope of this research is data communications for electric utilities, specifically for the
purposes of Demand Side Management (DSM). Demand Side Management has the …

Novel methods for earth fault management in medium voltage distribution networks

A Nikander, P Jaerventausta - 1998 - osti.gov
Customers have become less and less tolerable against even short interruptions of supply.
Rapid autoreclosures are especially harmful for those commercial and private customers …

Event analysis in a primary substation

P Jaerventausta, H Paulasaari, J Partanen - 1998 - osti.gov
The target of the project was to develop applications which observe the functions of a
protection system by using modern microprocessor based relays. Microprocessor based …