{"id":13964,"date":"2016-05-26T21:31:36","date_gmt":"2016-05-26T21:31:36","guid":{"rendered":"http:\/\/www.iacdrive.com\/2016\/05\/26\/dc-drives-quiz\/"},"modified":"2016-05-26T21:31:36","modified_gmt":"2016-05-26T21:31:36","slug":"dc-drives-quiz","status":"publish","type":"post","link":"http:\/\/iacdrive.com\/?p=13964","title":{"rendered":"DC Drives QUIZ"},"content":{"rendered":"<p>1. List three types of operations where DC drives are commonly found.<\/p>\n<p>2. How can the speed of a DC motor be varied?<\/p>\n<p>3. What are the two main functions of the SCR semi conductors used in a DC drive power converter?<\/p>\n<p>4. Explain how SCR phase angle control operates to vary the DC output from an SCR.<\/p>\n<p>5. Armature-voltage-controlled DC drives are classified as constant-torque drives. What does this mean?<\/p>\n<p>6. Why is three-phase AC power, rather than single phase, used to power most commercial &amp; industrial DC drives?<\/p>\n<p>7. List what input line &amp; output load voltage information must be specified for a DC drive.<\/p>\n<p>8. How can the speed of a DC motor be increased above that of its base speed?<\/p>\n<p>9. Why must field loss protection be provided for all DC drives?<\/p>\n<p>10. Compare the braking capabilities of <a href=\"http:\/\/www.iacdrive.com\">nonregenerative &amp; regenerative DC drives<\/a>.<\/p>\n<p>11. A regenerative DC drive requires two sets of power bridges. Why?<\/p>\n<p>12. Explain what is meant by an overhauling load.<\/p>\n<p>13. What are the advantages of regenerative braking versus dynamic braking?<\/p>\n<p>14. How is the desired speed of a drive normally set?<\/p>\n<p>15. List three methods used by DC drives to send feed back information from the motor back to the drive regulator.<\/p>\n<p>16. What functions require monitoring of the motor armature current?<\/p>\n<p>17. Under what operating condition would the mini mum speed adjustment parameter be utilized?<\/p>\n<p>18. Under what operating condition would the maxi mum speed adjustment parameter be utilized?<\/p>\n<p>19. IR compensation is a parameter found in most DC drives. What is its purpose?<\/p>\n<p>20. What, in addition to the time it takes for the motor to go from zero to set speed, does acceleration time regulate? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. List three types of operations where DC drives are commonly found.<\/p>\n<p>2. How can the speed of a DC motor be varied?<\/p>\n<p>3. What are the two main functions of the SCR semi conductors used in a DC drive power converter?<\/p>\n<p>4. Explain how SCR phase angle control operates to vary the DC output from an SCR.<\/p>\n<p>5. Armature-voltage-controlled DC drives are classified as constant-torque drives. What does this mean?<\/p>\n<p>6. Why is three-phase AC power, rather than single phase, used to power most commercial &amp; industrial DC drives?<\/p>\n<p>7. List what input line &amp; output load voltage information must be specified for a DC drive.<\/p>\n<p>8. How can the speed of a DC motor be increased above that of its base speed?<\/p>\n<p>9. Why must field loss protection be provided for all DC drives?<\/p>\n<p>10. Compare the braking capabilities of <a href=\"http:\/\/www.iacdrive.com\">nonregenerative &amp; regenerative DC drives<\/a>.<\/p>\n<p>11. A regenerative DC drive requires two sets of power bridges. Why?<\/p>\n<p>12. Explain what is meant by an overhauling load.<\/p>\n<p>13. What are the advantages of regenerative braking versus dynamic braking?<\/p>\n<p>14. How is the desired speed of a drive normally set?<\/p>\n<p>15. List three methods used by DC drives to send feed back information from the motor back to the drive regulator.<\/p>\n<p>16. What functions require monitoring of the motor armature current?<\/p>\n<p>17. Under what operating condition would the mini mum speed adjustment parameter be utilized?<\/p>\n<p>18. Under what operating condition would the maxi mum speed adjustment parameter be utilized?<\/p>\n<p>19. IR compensation is a parameter found in most DC drives. What is its purpose?<\/p>\n<p>20. What, in addition to the time it takes for the motor to go from zero to set speed, does acceleration time regulate? <\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67],"tags":[],"class_list":["post-13964","post","type-post","status-publish","format-standard","hentry","category-iacdrive_blog"],"_links":{"self":[{"href":"http:\/\/iacdrive.com\/index.php?rest_route=\/wp\/v2\/posts\/13964","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/iacdrive.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/iacdrive.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"http:\/\/iacdrive.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13964"}],"version-history":[{"count":0,"href":"http:\/\/iacdrive.com\/index.php?rest_route=\/wp\/v2\/posts\/13964\/revisions"}],"wp:attachment":[{"href":"http:\/\/iacdrive.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/iacdrive.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13964"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/iacdrive.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}