In the Nordics, Protrol is well knowned to have the most efficient solution to identify earth faults in high impedance grounded networks.
The method is also useful in isolated networks, a fact that was thoroughly discussed in a seminar arranged by State Grid in September. Protrol is grateful to the hosts and all the interested listeners that participated during the seminar.
New expandable fault detector
IPC4020 is our newest fault detector for overcurrent and earth faults with integrated remote terminal unit functionality.
The basic version is designed for a typical secondary substation with up to four objects. It can also be ordered with expansion. With expansion it can perform fault detection of three separate objects.
Since the algorithm for earth fault detection does not require any voltage measurement, IPC4020 provides very cost-efficient fault detection and grid automation with a high sensitivity for pass-through faults, also in networks where the earth fault currents are low. Read more in the datasheet!
Automatic Fault Isolation and Power Restoration in Härryda Grid
Protrol has together with Härryda Energi in Sweden performed primary faults in Härrydas "Self-sectionalizing grid", an open loop with eight secondary substations equipped with circuit breakers and distributed fault isolation.
IPC, the detectors with remote terminal function, identified the faulty cable segmen fast and distinctly, allowing the circuit breakers in the proper secondary substations to isolate the fault, before the feeding primary substation operated. Finally the open loop was closed, keeping power to the end users.
Protrol moves to a new larger office!
Protrol moves to larger and more adequate facilities in Mölndal. Our new address from the 7th of December 2018 is:
Protrol AB Alfagatan 3 431 49 Mölndal SWEDEN
New Frame Agreements on Fault Detectors
Frame agreements on fault detectors have been signed with Vattenfall and ESEM - Eskilstuna Strängnäs Energi och Miljö.
Protrol is keeping its pole position when coming to fault detection in high impedance and isolated networks.
The fault detectors will be supplied in cabinets to simplify the deployment in the secondary substations.
ERA nr 2 2017 cover
Protrol first page news in ERA
Article in ERA about Protrol and automation in the distribution network!
9-12 May 2017 it is time for Elfack again. We will be in the exhibition boot B09:82, and we would be delighted if both existing customers and potential new customers can visit us for a chat!
...Our products increase the availability of your grid
About Protrol AB
Protrol is a product and consulting company within power and automation technologies for power grids.
Protrol's products are developed for cost effective control, supervision, and fault detection in both small and large secondary substations. The products are based on patent protected technology and are manufactured in local markets.