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{{#Regex_clear:The following information w … {{#Regex_clear:The following information was received via fax and email:</br>Subject: 10 C.F.R. Part 21 Notification of Deviation regarding KF Protective Relay - Defective Capacitor</br>On June 2, 2011, Constellation Energy reported that two relays caused unnecessary breaker trips three weeks after the relays were placed in service. Their investigation found that the Under-frequency Trip setpoint had drifted from the pre-set value of 57.77 Hz to 60.316 and 61.2 Hz.</br>Our investigation determined that both relays contained a defective capacitor (ABB Part Number #606B340H07). The capacitor should have measured 0.225 �f (micro-farads) ? 3%. Actual measured value of the capacitors was 0.195 �f and 0.208 �f. A failure analysis conducted by Arizona Capacitor Corporation identified the capacitors were incorrectly constructed with metalized film, instead of oil impregnated paper/film/oil, as required by ABB design specifications. These capacitors were manufactured by Aldon Corporation, with a date code of April 4, 2008.</br>Per 10 C.F.R. 21.21 (b), we do not have the capability to perform the evaluation to determine if a defect exists, and will notify the purchasers or affected licensees within five working days. Currently, we believe there are a total of six suspect relays, provided to three customers.</br>The three customers are:</br>WESCO located in Murrysville, PA, KF Relay Style 1328D72A02A, S/N 12027, 12028A, Qty 2,</br>ABB Inc located in Florence, SC, KF Relay Style 1328D72A02A, S/N 12253, Qty 1 and,</br>ABB Ltd located in Cheonan, South Korea, KF Relay Style 1328D72A01, S/N 12025, 12026, 12366, Qty 3. }}D72A01, S/N 12025, 12026, 12366, Qty 3. }} +
04:00:00, 22 July 2011 +
47,089 +
13:55:00, 22 July 2011 +
04:00:00, 22 July 2011 +
{{#Regex_clear:The following information w … {{#Regex_clear:The following information was received via fax and email:</br>Subject: 10 C.F.R. Part 21 Notification of Deviation regarding KF Protective Relay - Defective Capacitor</br>On June 2, 2011, Constellation Energy reported that two relays caused unnecessary breaker trips three weeks after the relays were placed in service. Their investigation found that the Under-frequency Trip setpoint had drifted from the pre-set value of 57.77 Hz to 60.316 and 61.2 Hz.</br>Our investigation determined that both relays contained a defective capacitor (ABB Part Number #606B340H07). The capacitor should have measured 0.225 �f (micro-farads) ? 3%. Actual measured value of the capacitors was 0.195 �f and 0.208 �f. A failure analysis conducted by Arizona Capacitor Corporation identified the capacitors were incorrectly constructed with metalized film, instead of oil impregnated paper/film/oil, as required by ABB design specifications. These capacitors were manufactured by Aldon Corporation, with a date code of April 4, 2008.</br>Per 10 C.F.R. 21.21 (b), we do not have the capability to perform the evaluation to determine if a defect exists, and will notify the purchasers or affected licensees within five working days. Currently, we believe there are a total of six suspect relays, provided to three customers.</br>The three customers are:</br>WESCO located in Murrysville, PA, KF Relay Style 1328D72A02A, S/N 12027, 12028A, Qty 2,</br>ABB Inc located in Florence, SC, KF Relay Style 1328D72A02A, S/N 12253, Qty 1 and,</br>ABB Ltd located in Cheonan, South Korea, KF Relay Style 1328D72A01, S/N 12025, 12026, 12366, Qty 3. }}D72A01, S/N 12025, 12026, 12366, Qty 3. }} +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
00:00:00, 22 July 2011 +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
22:27:26, 24 September 2017 +
13:55:00, 22 July 2011 +
0.413 d (9.92 hours, 0.059 weeks, 0.0136 months) +
04:00:00, 22 July 2011 +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.