{"id":512780,"date":"2024-11-05T14:20:32","date_gmt":"2024-11-05T14:20:32","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/can-csa-c838-13-r2018\/"},"modified":"2024-11-05T14:20:32","modified_gmt":"2024-11-05T14:20:32","slug":"can-csa-c838-13-r2018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/csa\/can-csa-c838-13-r2018\/","title":{"rendered":"CAN\/CSA-C838-13 (R2018)"},"content":{"rendered":"

Preface<\/strong><\/p>\n

<\/p>\n

This is the first edition of CSA C838, Energy efficiency test methods for three-phase variable frequency drive systems.<\/span><\/p>\n

<\/p>\n

Variable frequency drives (VFDs) have the ability to vary the speed of the motor from 0% to its full range at an infinite range of torque. This Standard defines a testing methodology that provides performance information that can assist with the process of selecting a VFD adequate to the motor driven process. It is estimated that 30% of all industrial motor systems can potentially be improved by the use of VFDs to control speed and torque, resulting in large energy savings.<\/span><\/p>\n

<\/p>\n

CSA acknowledges that the development of this Standard was made possible, in part, by the financial support of BC Hydro, Efficiency Nova Scotia, Hydro-Qu\u00e9bec, Manitoba Hydro, Natural Resources Canada (NRCan), the Ontario Ministry of Energy (OME), the Ontario Power Authority (OPA), and the Canadian Electricity Association (CEA).<\/span><\/p>\n

<\/p>\n

Scope<\/strong><\/p>\n

<\/p>\n

1.1<\/span><\/p>\n

This Standard establishes the testing procedure for determining efficiencies under varying loads and speeds for three-phase output variable frequency drives (VFDs) with rated voltage up to 750 V. This test procedure is limited to a combination of one motor with one drive.<\/span><\/p>\n

<\/p>\n

This Standard applies to voltage source inverter (VSI) pulse-width modulated (PWM) drives for squirrel-cage induction motors and other three-phase VFD technologies commonly used with permanent magnet and reluctance motor-drive systems.<\/span><\/p>\n

<\/p>\n

This Standard does not cover VFDs with a rated voltage rating greater than 750 V.<\/span><\/p>\n

<\/p>\n

Ancillary equipment are not to be included unless they are contained within the confines of the input and output terminals of the VFD device, or a mandatory requirement for the operation of the VFD.<\/span><\/p>\n

<\/p>\n

Note: Small motors supplied with special purpose VFDs of the single- phase type are covered by CSA C747.<\/span><\/p>\n

<\/p>\n

1.2<\/span><\/p>\n

In CSA standards, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; should is used to express a recommendation or that which is advised but not required; and may is used to express an option or that which is permissible within the limits of the standard.<\/span><\/p>\n

<\/p>\n

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.<\/span><\/p>\n

<\/p>\n

Notes to tables and figures are considered part of the table or figure and may be written as requirements.<\/span><\/p>\n

<\/p>\n

Annexes are designated normative (mandatory) or informative (non- mandatory) to define their application.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Energy efficiency test methods for three-phase variable frequency drive systems (Including update no. up to 1:2014)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
CSA<\/b><\/a><\/td>\n2013-03-01<\/td>\n44<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":512791,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[374,447,2674],"product_tag":[],"class_list":{"0":"post-512780","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-23-120","7":"product_cat-27-010","8":"product_cat-csa","10":"first","11":"instock","12":"sold-individually","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/512780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/512791"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=512780"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=512780"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=512780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}