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Electrotechnical vocabulary Part 131: Circuit theory
MS 60050-131:2009 (CONFIRMED:2015)
Status : 1st Confirmation
Format : PDF

This Malaysian Standard gives the general terminology used in the theory of electric and magnetic circuits, as well as general terms pertaining to circuit elements and their characteristics, to networ ....Read more k topology, to n-port and two-port networks, to methods of circuit theory. Close

RM 105.00

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INTERNATIONAL ELECTROTECHNICAL VOCABULARY - CHAPTER 426: ELECTRICAL APPRATUS FOR EXPLOSIVE ATMOSPHERES (IEC 60050-426:1990, IDT)
MS IEC 60050-426:2004
Status : Original
Format : PDF

This Malaysian Standard specifies the terms and definitions used in electrical apparatus for explosive atmopheres.

RM 75.00

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INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS (FIRST REVISION) (IEC 60044-1:2003, MOD)
MS 60044-1:2010
Status : 1st Revision
Format : PDF

This Malaysian Standard applies to newly manufactured current transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz.
A ....Read more lthough the requirements relate basically to transformers with separate windings, they are also applicable, where appropriate, to autotransformers. Close

RM 90.00

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IEC STANDARD VOLTAGES (IEC 60038:2002, IDT)
MS IEC 60038:2006
Status : Original
Format : PDF

This Malaysian Standard applies to a.c. transmission, distribution and utilization systems and equipment for use in such systems with standard frequencies 50 Hz and 60 Hz having a nominal voltage abov ....Read more e 100 V, a.c. and d.c. traction systems, a.c. and d.c. equipment having nominal voltages below 120 V a.c. or below 750 V d.c., the a.c. voltages being intended (but not exclusively) for 50 Hz and 60 Hz applications;
such equipment covers batteries (from primary or secondary cells), other power supply
devices (a.c. or d.c.), electrical equipment (including industrial and communication), and appliances.

This publication shall not apply to voltages representing or transmitting signals or measured
values.

This publication shall not apply to standard voltages of components and parts used within
electrical devices or items of equipment. Close

RM 30.00

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Rotating electrical machines - Part 2-1: Standard methods for determining losses and efficiency from tests (excluding machines for traction vehicles) (IEC 60034-2-1:2007, IDT)
MS IEC 60034-2-1:2014
Status : Withdrawal without replacement
Format : PDF

This Malaysian Standard is intended to establish methods of determining efficiencies from tests, and also to specify methods of obtaining specific losses.

This Malaysian Standard appli ....Read more es to d.c. machines and to a.c. synchronous and induction machines of all sizes within the scope of MS IEC 60034-1. Close

NOT FOR SALE

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SAFETY OF MACHINERY – PRESSURE-SENSITIVE PROTECTIVE DEVICES – PART 1: GENERAL PRINCIPLES FOR DESIGN AND TESTING OF PRESSURE-SENSITIVE MATS AND PRESSURE-SENSITIVE FLOORS (ISO 13856-1:2001, IDT)
MS ISO 13856-1:2003
Status : Withdrawn
Format : PDF

This part of ISO 13856 specifies requirements for pressure-sensitive mats and floors normally actuated by the feet,
for use as safety devices to protect persons from dangerous machinery. The min ....Read more imum safety requirements for the
performance, marking and documentation are given.
It covers pressure-sensitive mats and floors, regardless of type of energy used, e.g. electrical, hydraulic, pneumatic
or mechanical.
This part of ISO 13856 covers mats and floors designed to detect:
a) persons weighing more than 35 kg;
b) and persons (e.g. children) weighing more than 20 kg.
The detection of persons weighing less than 20 kg is not covered by this part of ISO 13856.
This part of ISO 13856 does not specify the dimensions or the configuration of the effective sensing area of
pressure-sensitive mat(s) or floor(s) in relation to any particular application. Close

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Rotating electrical machines - Part 4: Methods for determining synchronous machine quantities from tests (First revision) (IEC 60034-4:2008, IDT)
MS IEC 60034-4:2014
Status : Withdrawal without replacement
Format : PDF

This Malaysian Standard applies to three-phase synchronous machines of 1 kVA rating and larger with rated frequency of not greater than 500 Hz and not less than 10 Hz.

Most of the meth ....Read more ods are intended to be used for machines having an excitation winding with slip-rings and brushes for their supply. Synchronous machines with brushless excitation require special effort for some of the tests. For machines with permanent magnet excitation, there is a limited applicability of the described tests, and special precautions have to be taken
against irreversible demagnetisation.

Excluded are axial-field machines and special synchronous machines such as inductor type machines and transversal flux machines.

It is not intended that this standard be interpreted as requiring any or all of the tests described therein on any given machine. The particular tests to be carried out shall be subject to agreement between manufacturer and customer. Close

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Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines (First revision) (IEC 60034-3:2007, IDT)
MS IEC 60034-3:2014
Status : Withdrawal without replacement
Format : PDF

This Malaysian Standard applies to three-phase synchronous generators, having rated outputs of 10 MVA and above driven by steam turbines or combustion gas turbines. It supplements the basic requiremen ....Read more ts for rotating machines given in MS IEC 60034-1.

Common requirements are prescribed together with specific requirements for air, for hydrogen or for liquid cooled synchronous generators.

This part of Malaysian Standard also gives the precautions to be taken when using hydrogen cooled generators including:

–- rotating exciters driven by synchronous generators;
- auxiliary equipment needed for operating the generators;
–- parts of the building where hydrogen might accumulate. Close

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Rotating electrical machines - Part 7: Classification of types of construction, mounting arrangements and terminal box position (IM Code) (IEC 60034-7:2001, IDT)
MS IEC 60034-7:2006 (CONFIRMED:2013)
Status : Withdrawal without replacement
Format : PDF

This Malaysian Standard specifies the IM Code, a classification of types of construction, mounting arrangements and the terminal box position of rotating electrical machines.

NOT FOR SALE

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Rotating electrical machines - Part 6: Methods of cooling (IC Code) (IEC 60034-6:1991, IDT)
MS IEC 60034-6:2006 (CONFIRMED:2013)
Status : Withdrawal without replacement
Format : PDF

This Malaysian Standard identifies circuit arrangements and movement methods of the coolant. It classifies methods of cooling and gives a designation system for them. Complete and simplified designati ....Read more ons are defined. Close

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