Geekzone: technology news, blogs, forums
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.

115 posts

Master Geek

# 83953 24-May-2011 14:07
Send private message

Following the earthquake and resultant loss of power I've learnt that a backup diesel generator with an automatic transfer switch is likely a good idea. Currently there are three on-line UPSs with extended battery packs which keep things going for 30 mins and a manual start petrol generator which works OK but isn't ideal.

I've got quotes from several suppliers (after a generator to support a maximum load of at least 8 kVA, auto start, 'silent' enclosure). In general it appears 1500 rpm 4 pole models are better as they quieter and last longer. One supplier was promoting LPG as superior to diesel, but I like that we have a large diesel tank onsite for fuel.

What I'm missing is information on after-sales support of suppliers and reliability of makes/models. Does anyone have experience with diesel generator suppliers and particular makes and how they have performed in terms of support and reliability?


Create new topic
2410 posts

Uber Geek


  # 474996 27-May-2011 23:18
Send private message

I'm not sure in the 8 kVA space but we've got a bunch of large Pramac 500kVA ones and another (not sure on brand) 2MVA one serviced every few weeks by Appleby. Use a 'Deapsea' transfer switches for seamless transfer from utility to genset power, its actually quite interesting to watch the two power sources synchronize before the automatic breakers swing open or closed.

I guess the only benefit I could see to LPG over diesel is that diesel can go 'off' if left to sit for a long time untreated.

1990 posts

Uber Geek


  # 475032 28-May-2011 06:29
Send private message

Didn't think they made diesel gensets that small, but agree that you need a synchronised transfer switch to avoid a gap while it switches back to mains power. Sounds like you will be hard wiring the transfer switch to only the UPS and circuits that run critical stuff your server room? Hope its enough power to run your coolers too because you don't want to be overheating when the power goes out.

I think the main thing is to get a generator that your supplier can maintain regularly, and perhaps a spare if it really is mission critical since they tend to be down for maintenance occasionally. You also need to ask whether its suitable as a backup system that has to start automatically on a cold morning, shutoff automatically when the fuel runs out, and be reliable despite only ever getting run for 30min a week. If thats all good, you need a big enough fuel tank to last for perhaps a day without having to let it go stale, and a programme to keep the fuel topped up (apparently Diesel bug will block the fuel filter if the tank isn't kept full).

Qualified in business, certified in fibre, stuck in copper, have to keep going  ^_^

Create new topic

Twitter and LinkedIn »

Follow us to receive Twitter updates when new discussions are posted in our forums:

Follow us to receive Twitter updates when news items and blogs are posted in our frontpage:

Follow us to receive Twitter updates when tech item prices are listed in our price comparison site:

News »

Vodafone integrates eSIM into device and wearable roadmap
Posted 17-Jan-2020 09:45

Do you need this camera app? Group investigates privacy implications
Posted 16-Jan-2020 03:30

JBL launches headphones range designed for gaming
Posted 13-Jan-2020 09:59

Withings introduces ScanWatch wearable combining ECG and sleep apnea detection
Posted 9-Jan-2020 18:34

NZ Police releases public app
Posted 8-Jan-2020 11:43

Suunto 7 combine sports and smart features on new smartwatch generation
Posted 7-Jan-2020 16:06

Intel brings innovation with technology spanning the cloud, network, edge and PC
Posted 7-Jan-2020 15:54

AMD announces high performance desktop and ultrathin laptop processors
Posted 7-Jan-2020 15:42

AMD unveils four new desktop and mobile GPUs including AMD Radeon RX 5600
Posted 7-Jan-2020 15:32

Consolidation in video streaming market with Spark selling Lightbox to Sky
Posted 19-Dec-2019 09:09

Intel introduces cryogenic control chip to enable quantum computers
Posted 10-Dec-2019 21:32

Vodafone 5G service live in four cities
Posted 10-Dec-2019 08:30

Samsung Galaxy Fold now available in New Zealand
Posted 6-Dec-2019 00:01

NZ company oDocs awarded US$ 100,000 Dubai World Expo grant
Posted 5-Dec-2019 16:00

New Zealand Rugby Selects AWS-Powered Analytics for Deeper Game Insights
Posted 5-Dec-2019 11:33

Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.

Support Geekzone »

Our community of supporters help make Geekzone possible. Click the button below to join them.

Support Geezone on PressPatron

Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.