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eLibrary > PD IEC TS 61200-102:2020 Electrical installation guide - Application guidelines for low-voltage direct current electrical installations not intended to be connected to a public distribution network >

PD IEC TS 61200-102:2020 Electrical installation guide - Application guidelines for low-voltage direct current electrical installations not intended to be connected to a public distribution network, 2020

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PD IEC TS 61200-102:2020 Electrical installation guide - Application guidelines for low-voltage direct current electrical installations not intended to be connected to a public distribution network, 2020

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CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General [Go to Page]
4.1 Concept of electrical installation
4.2 Architecture and operating modes of installation
5 Local power sources (supplies)
6 Loads [Go to Page]
6.1 Possible nominal voltages
Figures [Go to Page]
Figure 1 – Concept of DC low-voltage electrical installation
6.2 Minimum and maximum voltage values
7 Wiring systems [Go to Page]
7.1 Type of wiring system
7.2 Identification of conductors and terminals
Table 1 – Preferred nominal DC voltages [Go to Page]
7.3 Cross-sectional areas of conductors
8 Earthing [Go to Page]
8.1 Direction of touch current
Figure 2 – Colours used for identification of conductors in DC electrical installations
Figure 3 – Downward and upward direct current in human body
8.2 Earthing arrangement
8.3 Protective conductors
8.4 Earthing conductors
9 Protection for safety [Go to Page]
9.1 Protection against electric shock [Go to Page]
9.1.1 General
9.1.2 Provision for basic protection
9.1.3 Provision for fault protection
Figure 4 – Example of electrical installation in TN-S system
Figure 5 – Estimation of short-circuit level in TN system
Figure 6 – Examples of TN-S systems in DC installation
9.2 Protection against thermal effects [Go to Page]
9.2.1 Protection against electric arc
9.2.2 Risk of explosion with batteries
Figure 7 – Different types of arc fault to be considered
9.3 Protection against overcurrent [Go to Page]
9.3.1 Overload protection
9.3.2 Short-circuit protection
9.4 Protection against overvoltage
10 Inspection [Go to Page]
10.1 Initial inspection
10.2 Periodic inspection
Annex A (normative) Architecture and operating modes of installations [Go to Page]
A.1 Architecture of installations [Go to Page]
A.1.1 Individual installation
A.1.2 Collective installation
A.1.3 Shared installations
Figure A.1 – Example of an individual installation
Figure A.2 – Example of a collective installation
A.2 Operating modes [Go to Page]
A.2.1 Direct feeding mode
A.2.2 Reverse feeding mode
Figure A.3 – Example of a shared installation
Figure A.4 – DC electrical installation in direct feeding mode
Figure A.5 – DC electrical installation in reverse feeding mode [Go to Page]
A.2.3 Autonomous mode
Figure A.6 – DC electrical installation in autonomous mode
Annex B (informative) Limitation of lengths of cables [Go to Page]
B.1 Limit of voltage drop in consumer installations
B.2 Estimation of voltage drop
Annex C (informative)List of notes concerning certain countries
Bibliography [Go to Page]

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