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	<title>circuitmaniac.com &#187; D.C. Generator Characteristics</title>
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		<title>Compound Generator Characteristics</title>
		<link>http://www.circuitmaniac.com/2009/07/27/compound-generator-characteristics/</link>
		<comments>http://www.circuitmaniac.com/2009/07/27/compound-generator-characteristics/#comments</comments>
		<pubDate>Mon, 27 Jul 2009 14:47:20 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[D.C. Generator Characteristics]]></category>
		<category><![CDATA[Direct Current Machines]]></category>
		<category><![CDATA[Electrical Machines]]></category>

		<guid isPermaLink="false">http://electricalandelectronics.org/?p=1787</guid>
		<description><![CDATA[In a compound generator, both series and shunt excitation are combined as shown in Fig. (3.13). The shunt winding can be connected either across the armature only (short-shunt connection S) or across armature plus series field (long-shunt connection G). The compound generator can be cumulatively compounded or differentially compounded generator. The latter is rarely used [...]]]></description>
		<wfw:commentRss>http://www.circuitmaniac.com/2009/07/27/compound-generator-characteristics/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>How to Draw O.C.C. at Different Speeds?</title>
		<link>http://www.circuitmaniac.com/2009/07/27/how-to-draw-o-c-c-at-different-speeds/</link>
		<comments>http://www.circuitmaniac.com/2009/07/27/how-to-draw-o-c-c-at-different-speeds/#comments</comments>
		<pubDate>Mon, 27 Jul 2009 11:49:23 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[D.C. Generator Characteristics]]></category>
		<category><![CDATA[Direct Current Machines]]></category>
		<category><![CDATA[Electrical Machines]]></category>

		<guid isPermaLink="false">http://electricalandelectronics.org/?p=1781</guid>
		<description><![CDATA[If we are given O.C.C. of a generator at a constant speed N1 then we can easily draw the O.C.C. at any other constant speed N2.Fig (3.11) illustrates the procedure. Here we are given O.C.C. at a constant speed N1.It is desired to find the O.C.C. at constant speed N2 (it is assumed that n1 [...]]]></description>
		<wfw:commentRss>http://www.circuitmaniac.com/2009/07/27/how-to-draw-o-c-c-at-different-speeds/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Characteristics of a Shunt Generator</title>
		<link>http://www.circuitmaniac.com/2009/07/27/characteristics-of-a-shunt-generator/</link>
		<comments>http://www.circuitmaniac.com/2009/07/27/characteristics-of-a-shunt-generator/#comments</comments>
		<pubDate>Mon, 27 Jul 2009 09:39:30 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[D.C. Generator Characteristics]]></category>
		<category><![CDATA[Direct Current Machines]]></category>
		<category><![CDATA[Electrical Machines]]></category>

		<guid isPermaLink="false">http://electricalandelectronics.org/?p=1775</guid>
		<description><![CDATA[Fig (3.9) (i) shows the connections of a shunt wound generator. The armature current Ia splits up into two parts; a small fraction Ish flowing through shunt field winding while the major part IL goes to the external load. (i) O.C.C. The O.C.C. of a shunt generator is similar in shape to that of a series [...]]]></description>
		<wfw:commentRss>http://www.circuitmaniac.com/2009/07/27/characteristics-of-a-shunt-generator/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Characteristics of Series Generator</title>
		<link>http://www.circuitmaniac.com/2009/07/26/characteristics-of-series-generator/</link>
		<comments>http://www.circuitmaniac.com/2009/07/26/characteristics-of-series-generator/#comments</comments>
		<pubDate>Sun, 26 Jul 2009 10:19:13 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[D.C. Generator Characteristics]]></category>
		<category><![CDATA[Electrical Machines]]></category>

		<guid isPermaLink="false">http://electricalandelectronics.org/?p=1770</guid>
		<description><![CDATA[Fig. (3.7) (i) shows the connections of a series wound generator. Since there is only one current (that which flows through the whole machine), the load currentis the same as the exciting current. (i) O.C.C. Curve 1 shows the open circuit characteristic (O.C.C.) of a series generator. It can be obtained experimentally by disconnecting the [...]]]></description>
		<wfw:commentRss>http://www.circuitmaniac.com/2009/07/26/characteristics-of-series-generator/feed/</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>Critical Resistance</title>
		<link>http://www.circuitmaniac.com/2009/05/17/critical-resistance/</link>
		<comments>http://www.circuitmaniac.com/2009/05/17/critical-resistance/#comments</comments>
		<pubDate>Sun, 17 May 2009 18:23:17 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[D.C. Generator Characteristics]]></category>
		<category><![CDATA[Direct Current Machines]]></category>
		<category><![CDATA[Electrical Machines]]></category>

		<guid isPermaLink="false">http://electricalandelectronics.org/?p=1762</guid>
		<description><![CDATA[Critical Field Resistance for a Shunt Generator We have seen above that voltage build up in a shunt generator depends upon field circuit resistance. If the field circuit resistance is R1 (line OA), then generator will build up a voltage OM as shown in Fig. (3.5). If the field circuit resistance is increased to R2 [...]]]></description>
		<wfw:commentRss>http://www.circuitmaniac.com/2009/05/17/critical-resistance/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Voltage Build-Up in a Self-Excited Generator</title>
		<link>http://www.circuitmaniac.com/2009/05/16/voltage-build-up-in-a-self-excited-generator/</link>
		<comments>http://www.circuitmaniac.com/2009/05/16/voltage-build-up-in-a-self-excited-generator/#comments</comments>
		<pubDate>Sat, 16 May 2009 13:51:08 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[D.C. Generator Characteristics]]></category>
		<category><![CDATA[Direct Current Machines]]></category>
		<category><![CDATA[Electrical Machines]]></category>

		<guid isPermaLink="false">http://electricalandelectronics.org/?p=1754</guid>
		<description><![CDATA[Let us see how voltage builds up in a self-excited generator. (i) Shunt generator Consider a shunt generator. If the generator is run at a constant speed, some e.m.f. will be generated due to residual magnetism in the main poles. This small e.m.f. circulates a field current which in turn produces additional flux to reinforce [...]]]></description>
		<wfw:commentRss>http://www.circuitmaniac.com/2009/05/16/voltage-build-up-in-a-self-excited-generator/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Characteristics of a Separately Excited D.C. Generator</title>
		<link>http://www.circuitmaniac.com/2009/05/16/characteristics-of-a-separately-excited-dc-generator/</link>
		<comments>http://www.circuitmaniac.com/2009/05/16/characteristics-of-a-separately-excited-dc-generator/#comments</comments>
		<pubDate>Sat, 16 May 2009 13:17:02 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[D.C. Generator Characteristics]]></category>
		<category><![CDATA[Direct Current Machines]]></category>
		<category><![CDATA[Electrical Machines]]></category>

		<guid isPermaLink="false">http://electricalandelectronics.org/?p=1750</guid>
		<description><![CDATA[The obvious disadvantage of a separately excited d.c. generator is that we require an external d.c. source for excitation. But since the output voltage may be controlled more easily and over a wide range (from zero to a maximum), this type of excitation finds many applications. (i) Open circuit characteristic. The O.C.C. of a separately [...]]]></description>
		<wfw:commentRss>http://www.circuitmaniac.com/2009/05/16/characteristics-of-a-separately-excited-dc-generator/feed/</wfw:commentRss>
		<slash:comments>8</slash:comments>
		</item>
		<item>
		<title>Open Circuit Characteristic of a D.C. Generator</title>
		<link>http://www.circuitmaniac.com/2009/05/16/open-circuit-characteristic-of-a-dc-generator/</link>
		<comments>http://www.circuitmaniac.com/2009/05/16/open-circuit-characteristic-of-a-dc-generator/#comments</comments>
		<pubDate>Sat, 16 May 2009 12:55:48 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[D.C. Generator Characteristics]]></category>
		<category><![CDATA[Direct Current Machines]]></category>
		<category><![CDATA[Electrical Machines]]></category>

		<guid isPermaLink="false">http://electricalandelectronics.org/?p=1747</guid>
		<description><![CDATA[The O.C.C. for a d.c. generator is determined as follows. The field winding of the d.c. generator (series or shunt) is disconnected from the machine and is separately excited from an external d.c. source as shown in Fig. (3.1) (ii). The generator is run at fixed speed (i.e., normal speed). The field current ( If) [...]]]></description>
		<wfw:commentRss>http://www.circuitmaniac.com/2009/05/16/open-circuit-characteristic-of-a-dc-generator/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>D.C. Generator Characteristics</title>
		<link>http://www.circuitmaniac.com/2009/05/14/dc-generator-characteristics/</link>
		<comments>http://www.circuitmaniac.com/2009/05/14/dc-generator-characteristics/#comments</comments>
		<pubDate>Thu, 14 May 2009 16:51:06 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[D.C. Generator Characteristics]]></category>
		<category><![CDATA[Direct Current Machines]]></category>
		<category><![CDATA[Electrical Machines]]></category>

		<guid isPermaLink="false">http://electricalandelectronics.org/?p=1745</guid>
		<description><![CDATA[The speed of a d.c. machine operated as a generator is fixed by the prime mover. For general-purpose operation, the prime mover is equipped with a speed governor so that the speed of the generator is practically constant. Under such condition, the generator performance deals primarily with the relation between excitation, terminal voltage and load. [...]]]></description>
		<wfw:commentRss>http://www.circuitmaniac.com/2009/05/14/dc-generator-characteristics/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
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