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Electrical Installation Standards

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Electrical Installation Standards
MINISTRY OF POWER AND MINERAL RESOURCES OF
THE REPUBLIC OF KAZAKHSTAN

APPROVED by Prikaz No 189 of the Minister of Power and Mineral Resources of the Republic of Kazakhstan, as of August 26, 2004.)

REGULATIONS ON ELECTRICAL INSTALLATIONS
OF THE REPUBLIC OF KAZAKHSTAN

(PUE)

Astana, 2003

TABLE OF CONTENTS

SECTION 1: GENERAL REGULATIONS 10

CHAPTER 1.1: GENERAL 10

SCOPE, TERMS AND DEFINITIONS 10 GENERAL REGULATIONS FOR INSTALLATION OF ELECTRICAL EQUIPMENT 11 CONNECTION OF ELECTRICAL INSTALLATIONS TO THE POWER STATIONS 13 COMMISSIONING OF ELECTRICAL INSTALLATIONS 14

CHAPTER 1.2 POWER SUPPLY AND POWER SYSTEMS 14

SCOPE, DEFINITIONS 14 GENERAL REQUIREMENTS 14 CATEGORIES OF POWER CONSUMING DEVICES AND RELIABILITY OF POWER SUPPLY 15 VOLTAGE LEVELS AND CONTROLS, REACTIVE POWER COMPENSATION 16

CHAPTER 1.3 SELECTION OF CONDUCTORS: HEATING, CURRENT DENSITY AND CORONA DISCHARGE CONDITIONS 16

SCOPE 16 SELECTION OF CROSS-SECTION OF CONDUCTORS: HEATING 17 MAXUIMUM CONTINUOUS CURRENTS FOR WIRES, CORDS AND CABLES IN RUBBER OR PLASTIC INSULATION 18 MAXIMUM CONTINUOUS CURRENTS FOR CABLES IN IMPREGNATED PAPER INSULATION 22 MAXIMUM CONTINUOUS CURRENTS FOR BARE WIRES AND BUSES 29 SELECTING CROSS-SECTION OF CONDUCTOR PER THE ECONOMIC CURRENT DENSITY 33 CONDUCTOR CORONA AND RADIO FREQUENCY TESTS 36

CHAPTER 1.4 SELECTION OF ELECTRICAL EQUIPMENT AND CONDUCTORS FOR SHORT CIRCUIT CONDITIONS 36

SCOPE 36 GENERAL REQUIREMENTS 36 IDENTIFICATION OF SHORT-CIRCUIT CURRENTS FOR SELECTION OF EQUIPMENT AND CONDUCTORS 38 SELECTION OF CONDUCTORS AND INSULATORS, TESTING SUPPORT STRUCTURES FOR SHORT-CIRCUIT
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