{"id":245831,"date":"2024-10-19T16:10:17","date_gmt":"2024-10-19T16:10:17","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-946-2020\/"},"modified":"2024-10-25T11:11:10","modified_gmt":"2024-10-25T11:11:10","slug":"ieee-946-2020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-946-2020\/","title":{"rendered":"IEEE 946 2020"},"content":{"rendered":"

Revision Standard – Active. Recommended practices for the design of dc power systems for stationary applications are provided in this document. The components of the dc power system addressed by this document include lead-acid and nickel-cadmium storage batteries, static battery chargers, and distribution equipment. Guidance in selecting the quantity and types of equipment, the equipment ratings, interconnections, instrumentation and protection is also provided. This recommendation is applicable for power generation, substation, and telecommunication applications.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nIEEE Std 946\u2122-2020 Front cover <\/td>\n<\/tr>\n
2<\/td>\nTitle page <\/td>\n<\/tr>\n
4<\/td>\nImportant Notices and Disclaimers Concerning IEEE Standards Documents <\/td>\n<\/tr>\n
8<\/td>\nParticipants <\/td>\n<\/tr>\n
10<\/td>\nIntroduction <\/td>\n<\/tr>\n
11<\/td>\nContents <\/td>\n<\/tr>\n
13<\/td>\n1.\u2002Overview
1.1\u2002Scope
1.2\u2002Purpose <\/td>\n<\/tr>\n
14<\/td>\n1.3\u2002Exclusions
2.\u2002Normative references <\/td>\n<\/tr>\n
15<\/td>\n3.\u2002Definitions <\/td>\n<\/tr>\n
16<\/td>\n4.\u2002Organization of this recommended practice
5.\u2002Description and operation
5.1\u2002General <\/td>\n<\/tr>\n
18<\/td>\n5.2\u2002System design considerations <\/td>\n<\/tr>\n
19<\/td>\n6.\u2002Batteries <\/td>\n<\/tr>\n
20<\/td>\n6.1\u2002Number of battery strings
6.2\u2002Determination of battery duty cycle and battery size (capacity) <\/td>\n<\/tr>\n
22<\/td>\n6.3\u2002Installation design <\/td>\n<\/tr>\n
24<\/td>\n6.4\u2002Maintenance, testing, and replacement
6.5\u2002Qualification, relevant codes, and standards
7.\u2002Battery chargers <\/td>\n<\/tr>\n
25<\/td>\n7.1\u2002Number of chargers
7.2\u2002Load sharing between paralleled chargers
7.3\u2002Determination of rated output <\/td>\n<\/tr>\n
27<\/td>\n7.4\u2002Installation design <\/td>\n<\/tr>\n
28<\/td>\n7.5\u2002Output characteristics <\/td>\n<\/tr>\n
30<\/td>\n7.6\u2002Qualification <\/td>\n<\/tr>\n
32<\/td>\n8.\u2002Distribution system
8.1\u2002System layout <\/td>\n<\/tr>\n
36<\/td>\n8.2\u2002Distribution panels <\/td>\n<\/tr>\n
37<\/td>\n8.3\u2002Available short-circuit current <\/td>\n<\/tr>\n
39<\/td>\n8.4\u2002Protective device description and rating <\/td>\n<\/tr>\n
40<\/td>\n8.5\u2002Voltage ratings for loads <\/td>\n<\/tr>\n
41<\/td>\n8.6\u2002Qualification <\/td>\n<\/tr>\n
42<\/td>\n9.\u2002DC power system instrumentation, controls, and alarms
9.1\u2002General <\/td>\n<\/tr>\n
45<\/td>\n9.2\u2002DC power system ground detection <\/td>\n<\/tr>\n
47<\/td>\n9.3\u2002DC bus undervoltage alarm
9.4\u2002Special loading considerations
9.5\u2002Design features to assist in battery testing <\/td>\n<\/tr>\n
48<\/td>\n9.6\u2002Cross-tie between buses
10.\u2002Protection against electrical noise, lightning, and switching surges <\/td>\n<\/tr>\n
49<\/td>\n10.1\u2002Electromagnetic interference (EMI), radio-frequency interference (RFI)
10.2\u2002Lightning and switching surges
11.\u2002Spare equipment <\/td>\n<\/tr>\n
50<\/td>\nAnnex A (informative) Bibliography <\/td>\n<\/tr>\n
52<\/td>\nAnnex B (informative) Battery charger sizing\u2014Sample calculations
B.1\u2002General
B.2\u2002Equation
B.3\u2002Example 1: Power generation <\/td>\n<\/tr>\n
53<\/td>\nB.4\u2002Example 2: Substation
B.5\u2002Example 3: Telecommunication <\/td>\n<\/tr>\n
57<\/td>\nAnnex C (informative) Battery available short-circuit current\u2014Sample calculations
C.1\u2002Introduction
C.2\u2002Discussion <\/td>\n<\/tr>\n
58<\/td>\nC.3\u2002Sample calculations for a lead-acid battery <\/td>\n<\/tr>\n
60<\/td>\nAnnex D (informative) Battery charger and dc power system, short-circuit current contribution
D.1\u2002Introduction
D.2\u2002Combined effect of currents from battery, charger, and connected inductive load
D.3\u2002Sample evaluation <\/td>\n<\/tr>\n
63<\/td>\nAnnex E (informative) Effect of unintentional grounds on the operation of dc power systems
E.1\u2002Introduction
E.2\u2002Discussion <\/td>\n<\/tr>\n
64<\/td>\nE.3\u2002Sample evaluations <\/td>\n<\/tr>\n
66<\/td>\nAnnex F (informative) Telecommunication-specific considerations
F.1\u2002Telecommunication qualifications
F.2\u2002Telecommunication dc power system distribution design <\/td>\n<\/tr>\n
67<\/td>\nF.3\u2002Telecommunication power plant location <\/td>\n<\/tr>\n
68<\/td>\nF.4\u2002Telecommunication battery sizing considerations <\/td>\n<\/tr>\n
69<\/td>\nF.5\u2002Filter of charging\/rectification equipment <\/td>\n<\/tr>\n
70<\/td>\nF.6\u2002Telecommunication rectifier\/charger controls and signals <\/td>\n<\/tr>\n
71<\/td>\nAnnex G (informative) Load sharing of chargers <\/td>\n<\/tr>\n
72<\/td>\nAnnex H (informative) Center tapped battery design considerations <\/td>\n<\/tr>\n
73<\/td>\nAnnex I (informative) Additional batteries in nuclear power generation applications <\/td>\n<\/tr>\n
74<\/td>\nBack cover <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Recommended Practice for the Design of DC Power Systems for Stationary Applications<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n2020<\/td>\n74<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":245838,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-245831","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/245831","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\/245838"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=245831"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=245831"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=245831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}