<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif;"><div><br></div><div><br></div><span id="OLK_SRC_BODY_SECTION"><div style="font-family:Calibri; font-size:11pt; text-align:left; color:black; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt"><span style="font-weight:bold">From: </span> Joshua D'Alton <<a href="mailto:joshua@railgun.com.au">joshua@railgun.com.au</a>><br><span style="font-weight:bold">Date: </span> Wednesday, 15 January 2014 10:17 pm<br><span style="font-weight:bold">To: </span> James Braunegg <<a href="mailto:james.braunegg@micron21.com">james.braunegg@micron21.com</a>><br><span style="font-weight:bold">Cc: </span> "<a href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a>" <<a href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a>><br><span style="font-weight:bold">Subject: </span> Re: [AusNOG] DC undervoltage issues<br></div><div><br></div><div dir="ltr"><div>> Does the energy provider call up the DC and say oh hey, as per agreement go onto generators for X hours thanks, your next bill will be credited ABC ?).</div><div><br></div><div>Goes like this:</div></div></span><div><br></div><div>Option 1: Energy Provider rings and says due to network instability can we ask you to shed xx% of load over this period of time</div><div>Option 2: Major DC rings energy provider and says we are seeing network instability – we are considering moving over to internal power. What is your advice/recommendation (graceful exit from grid)</div><div>Option 3: Power is outside of tolerance on one or more feeds and the DRUPS engines kicks in – no phone call required, but courtesy call is usually given post fact (all in LV side and the DC’s control)</div><div>Option 4: Loss of HV power to site will require call to provider for approval before bringing back on grid (safety and capacity confirmation)</div><div><br></div><div>The rest of the “commerciality” is confidential.</div><div><br></div><div>[b]</div></body></html>