Road vehicles -- Electrical and electronic equipment for a supply voltage of 42 V -- Electrical loads
适用范围:ISO 21848:2005 describes the electrical loads that can affect electric and electronic systems and components of road vehicles for a supply voltage of 42 V which may be used in a multiple voltage electr...
发布日期:2005-04-01 实施日期:2005-04-01
Stromrichtertransformatoren. Transformatoren fuer industrielle Anwendungen Convertor Transformers-Part 1:Transformers for Industrial Applications Transformateurs de conversion. Part 1. Transformateurs ...
适用范围:This International Standard deals with the specification, design and testing of power transformers and reactors which are intended for integration within semiconductor convertor plants; it is not appli...
实施日期:1999-02-15
On-load tap-changers
适用范围:本标准适用于电力变压器用的有载分接开关及其电动机构,它主要适用于浸在符合GB 2536—81的变压器油中的分接开关,但在条件很合适的情况下,也可用于气体绝缘的分接开关。 本标准不包括铁路牵引车辆用变压器所装用的分接...
实施日期:1990-01-01
Forderungen fuer elektrische Installationen. IEE-Verdrahtungsregelungen Requirements for Electrical Installations-IEE Wiring Regulations Specifications d'installations electriques. Reglements de cablag...
适用范围: 110.1 GENERALThe Regulations apply to the design, erection and verification of electrical installations such as those of: (i) residential premises (ii) commercial premises (iii) public prem...
实施日期:2008-01-31
Surge Arresters Part 1:Non-Linear Resistor Type Gapped Surge Arresters for a.c. Systems IEC 99-1:1991;Supersedes BS 2914:1972;
适用范围:Applies, in particular, to surge arresters consisting of single or multiple spark gaps in series with one or more non-linear resistors.
实施日期:1994-01-01
Effects of engaging and separating under electrical load on connector interfaces in cabling used to support IEEE 802.3af (power-over-ethernet) applications Edition 1.0
适用范围:This Technical Report is intended to provide information on the effects of engaging andseparating under electrical load on the connector interfaces in cabling, used to supportIEEE 802.3af (Power-over-E...
发布日期:2010-03-30 实施日期:2010-03-01
Low-voltage switchgear and controlgear. Part 4-3:Contactors and motor-starters. AC semiconductor controllers and contactors for non-motor loads
适用范围: 本部分适用于通过变换交流电路的导通状态和截止状态对其进行操作的非电动机负载用交流半导体控制器和接触器,典型应用见表2。 作为控制器,应能持续或在一特定的时间内降低负载端交流电压有效值的幅值,但由施加电...
发布日期:1999-09-30 实施日期:1999-09-30
实施日期:2011-02-28
Strassenfahrzeuge. Elektrische und elektronische Ausruestung fuer 42 V Bordnetze. Elektrische Beanspruchung Road vehicles Electrical and electronic equipment for a supply voltage of 42 V Electrical loa...
适用范围:ISO 21848:2005 describes the electrical loads that can affect electric and electronic systems and components of road vehicles for a supply voltage of 42 V which may be used in a multiple voltage electr...
实施日期:2005-07-12
AC load break switches with tripping device for 3.3 kV or 6.6 kV
适用范围:この規格は,公称電圧3.3kV又は6.6kV,周波数50Hz又は60Hzで短絡電流12.5 kA以下,定格電流600A以下の手動操作式又は電気動力操作式の三相引外し形高圧交流負荷開閉器(以下,負荷開閉器という。)について規定する。なお.この規格の規定は.JIS C 4605に...
Anleitung elektromagnetische Umwelt bei niederfrequenten leitungsgefuehrten Stoergroessen und fuer Signaluebertragung in oeffentlichen Stromversorgungsnetzen Electromagnetic Environment for Low-Frequen...
适用范围:This section of IEC 1000-2 is concerned with conducted disturbances in the frequency range up to 10 kHz with an extension for mains signalling systems. Separate sections give numerical compatibility le...
实施日期:1991-01-01
Niederspannungsschaltgeraete. Schuetze und Motorstarter. Halbleiter-Steuergeraete und Schuetze fuer nichtmotorische Lasten fuer Wechselspannung Low-Voltage Switchgear and Controlgear-Part 4.3:Contactor...
适用范围:This part of IEC 60947 applies to a.c. semiconductor non-motor load controllers and contactors intended for performing electrical operations by changing the state of a.c. electric circuits between the ...
实施日期:2000-08-15
Loading guide for dry-type power transformers
适用范围:本标准适用于符合GB 6450《干式电力变压器》规定的,且按本标准第6章的限制而运行的空气自冷式干式电力变压器。本标准按六种绝缘等级并分别以相应绝缘材料的温度等级给予规定。 由于各不相同的绝缘材料和结构,可以组成各种...
发布日期:1998-01-20 实施日期:1998-10-01
Transformatoren fuer den Schiffsgebrauch. Spezifikation Specification for Transformers for use in ships Transformateurs pour utilisation dans les navires. Specification
适用范围:Single-phase and polyphase, double wound power transformers and reactors having windings insulated with Class A, B, H or C materials , 1 kVA to 1000 kVA and rated line to line voltage up to 3300 volts....
实施日期:1961-07-31
Roating electrical machines - Equivalent loading and super-position techniques - Indirect testing to determine temperature rise
适用范围:本标准适用于GB 755-2000所覆盖的因各种原因不能加载到规定条件(额定或其他负载)进行热试验的电动机和发电机,不适用于1kW及以下的电机。 本标准的目的是说明确定旋转电机温升的各种间接负载试验法,包括交流感应电动机...
发布日期:2007-12-03 实施日期:2008-05-01
实施日期:2006-10-01
发布日期:2009-07-31 实施日期:2009-07-31
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