If you are attending EEA in Auckland this June, we would love to see you at our Switchgear Divisions ‘Shaddock Street’ facility.

Located just 10 minutes’ drive from Sky City Convention Centre, we have prepared a wide cross-selection of switchgear examples for your inspection. This is a great opportunity to see different 8DJH and 8DJH-36 configurations.

Schedule a time with us and HV Power will pick you up from EEA, take you to our facility and have you back within an hour (if you like).

Please contact Sabrina to book a time for your visit. SabrinaB@hvpowerautomation.com or call her on 09 304 1659.

Our facility will be open for visitors:

• Afternoon of Monday 24 June
• Tuesday 25 June (8:00 am till 5:30 pm)
• Wednesday 26 June (8:00 am till 5:30 pm)
• Thursday 27 June (8:00 am till 12:00)

On display:

RTR-03 Ring switch, transformer fused feeder, ring switch Outdoor Class A enclosure

RRT-05 Ring switch, ring switch transformer, fused feeder Indoor Class A, downwards venting unit

8DJH-36 (36 kV Ring Main) LLLSSLL (L=CB, S= Bus Section) Indoor

8DJH RLLL Ring switch, 3 x circuit breakers Automated Outdoor Class B Bosecker enclosure

8DJH LLTR Circuit breaker, circuit breaker, transformer fused feeder, ring switch Outdoor Class A enclosure – on concrete pad   Photos are representative only

As a reminder, Line Differential relays have distance-to-fault capabilities (assuming you have purchased the versions with optional VT inputs), where distance-to-fault can be displayed on the relay, or reported to SCADA – without the need to extract fault records and run files through SIGRA. This provides immediate information on fault location to operational staff.

July’s release of DIGSI/SIPROTEC 5 version 7.9 will add an option for improved ‘two ended’ fault location, called “FL plus”. For situations where there is back-feed from the remote-end into the fault, the new algorithm measures that remote-end fault-current, and communicates it to the main source end for that relay to account for it.

To further improve the accuracy of the result, the new feature also allows more line sections to be entered into the setup, allowing different cable/overhead sections to be more accurately modelled.

‘FL plus’ requires 45 function points to operate.

Fault Location is also available in SIPROTEC 5 Overcurrent relays.

SIPROTEC 5 - with improved distance to fault.

Contact us now to find out more about the very popular and powerful SIPROTEC 5 series.

A.Eberle have released specifications on the new PQ-Box 50, which becomes available in August. The PQ-Box 50 is positioned to replace the PQ-Box 100 (which is now over 10 years old in design). The PQ-Box 50 offers similar measurements to the PQ-Box 100, but is more compact. However, the PQ-Box 50 does not have local display - but rather you can use WinPQ mobil software via USB, Wi-Fi, or via Wi-Fi and a new smart phone app! [Android and IOS to be supported]. The App allows for both setup and monitoring measurements of the PQ-Box 50.

Download PQ-Box 50 datasheet

PQ-Box 50 and App.

Contact us now to find out more about the very popular PQ-Box series covering all your PQ needs.

The 'PQI-DA smart' has had a face lift, losing some its distinctive orange in favour of a cleaner white look.

Traditionally with support for 1 A and 5 A CT’s, new current inputs options have been addeding supporting:

• C40 – Rogowski transducers (350 mVac)
• C44 – Low power CT’s with 0.5 Vac outputs
• C45 – Low power CT’s with 6 Vdc outputs

This makes the PQI-DA smart even more versatile, such as:

• Allowing retrofit at sites using clip on Rogowskis, eliminating the site challenges of retrofitting traditional CTs around existing cables.
• Supporting pole top monitoring of 11 kV lines, using Lindsey sensors (combined current/voltage sensors)

 

 
'PQI-DA smart' PQ shown with line mounted 11 kV sensor.

Contact us now to find out more.