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| MORE than a supplier | HV Power Customer Newsletter September 2011 | |||||||
| In this issue: | ||||||||
| We welcome Cesar Uribe | ||||||||
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Commentary Warwick Beech How do you know? Participating at a recent School Board meeting, we were discussing how to appraise our role in developing student achievements. The key mantra during the meeting was “how do you know, how can you prove that (what you believe) is actually the case?” Many reading this will have “pulled their hair out” in the past setting up serial interfaces, swapping wires between pins, changing terminating resistors, alternating intercharacter delays to get comms running or tweaking locations in a DNP map to finally arrive at a standard design. For sure these are achievements to be proud of! Given the effort that originally went into getting it all working, you may be reluctant to consider other approaches based on new more advanced technology. Surely now all that hard work is done, it’s safer and more efficient to stick to this hard learnt approach as a standard practice? So, how do you know that’s still the case? Do you have experience to prove there isn’t now a better way? For example the alternative now to set up a comms interface on an IED can be as simple as loading an ICD file, plugging in an Ethernet cable and voila, job done – SCADA connection fully functional. At HV Power, we will be happy to provide equipment, the environment and support for you to prove your case by testing the alternative. There is a natural reluctance to consider other ways of doing things - especially when significant effort has gone into discovering and learning the old way. So take this opportunity to come into our lab and learn if there are new and significant benefits for your organisation, and perhaps leverage a heap of personal satisfaction too! You might be surprised in challenging the validity of “what you know”. Warwick |
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| Last call! Siemens Transformer Protection (2 day) Training – Wellington 19-20 Sept 2011 |
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This training is aimed at engineers and will cover electrical protection theory specifically related to Transformer protection. Practical application examples based on SIPROTEC 7UT series will be provided. This is not a “hands on” relay course. The Training will be held at the Brentwood Hotel (Kilbirnie, Wellington) - the same venue where we held Siemens Distance Protection Training with Gustav Steynberg back in Nov 2009.
Accommodation is available at the Brentwood if needed. Please organise this directly with the hotel. Pricing and further details on the training can be found on our "what's new" section of the HV Power web site. We also welcome inquiries for training on any of the specific Siemens relays we support. Location, content and duration can be tailored to your needs.
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| REG-D/DA Advanced Training, 16th September 2011 | ||||||||
This is a one day course and will be limited to 10 participants. Course cost is $550+GST per person. Bookings will be prioritised to those providing purchase orders. Feedback from attendees of previous courses has been very positive, and the training imparted will give your staff valuable skills and knowledge to aid transformer and voltage regulator commissioning! For further details contact Vladimir on 09 304 1685 or vladimirb@hvpower.co.nz
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| “Musical Transformers”– swapping distribution transformers | ||||||||
In contrast, the relocated transformer was already equipped with a modern REG-DA utilising the latest firmware and an IEC 61850 SCADA interface. For parallel operation of transformers, it is a requirement that REG-D/DA voltage regulators utilise the same version firmware. This situation presented no problems as the older REG-D was simply upgraded with new firmware (including updating the booter loader). This upgradeability is a major feature of A.Eberle’s robust designs and their customer support. New firmware is (generally) designed to operate on older versions of hardware. Also, the same firmware is used in both REG-D and REG-DA platforms. It is comforting to think that an IED off the production line more than 12 years ago, still retains the capability to work with the latest generation of technology! On this particular site, parallel operation using circulating current method was implemented with minimal effort. A-Eberle’s circulating current regulation regime also permits the use of mismatched transformers, making it the ideal paralleling strategy, allowing greater flexibility especially where replacement transformers need to be swapped around. Some REG-D/DA customers have specifically designed their REG-D/DA installations to minimise wiring changes should the need arise for a transformer to be swapped out. Some utilise a remote I/O box at the transformer as a marshalling point for all field-wiring rather than running field-wiring all the way from the transformer in the yard back to the REGulator situated inside in the switchgear. A fibre connection links the I/O box with the REG-D/DA. Our HV Power team are happy to assist you to modify your standard design to this approach. As a footnote, the older REG-D still features hardwired SCADA control and indication, but we have the solution sorted to upgrade it to IEC 61850, as soon as the customer requires.
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| 9 Lessons Learned from Smart Grid Implementation | ||||||||
The nine lessons were:
To read the full white paper, download it via this link. HV Power and our hardened-Ethernet supplier GarrettCom will be pleased to discuss these findings with you, and to provide support for your IP technology initiatives. Other useful application notes and technical papers can be found on the GarrettCom web site www.GarrettCom.com
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| TCG 02-E now offers dual Ethernet ports | ||||||||
No, this not a replacement to the TCG 01/TCG 01-E, but its big brother. The TCG 02-E, is based on the TCG 01-E, but is provided in a full 19” rack enclosure. The TCG 02-E can be ordered with single or dual redundant power supplies. With the larger enclosure, the TCG 02-E supports a wider number of options:
As this clock offers so many options, contact us to discuss your specific application. You can access Tekron's web site for further information as well.
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| EN100 – IEC 61850 Interface Card for SIPROTEC and Reyrolle IEDs – Version 4.08 | ||||||||
New features include:
This upgrade further defines SIPROTEC as the leaders in IEC 61850 functionality and performance. If you want to learn more about IEC 61850, talk to HV Power now.
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| Copyright 2011 HV Power Measurements & Protection Ltd | ||||||||
