ДСТУ EN 62109-1:2014 Безопасность силовых преобразователей, применяемых в фотоэлектрических системах. Часть 1. Общие требования (EN 62109-1:2010, IDT)

ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

Наказом Міністерства економічного розвитку і торгівлі України від 29.12.2014 № 1480

EN 62109-1:2010

en: Safety of power converters for use in photovoltaic power systems - Part 1: General requirements

прийнято як національний стандарт
методом підтвердження за позначенням

ДСТУ EN 62109-1:2014

uk: Безпечність силових перетворювачів, застосовуваних в фотоелектричних системах.
Частина 1. Загальні вимоги (EN 62109-1:2010, IDТ)

З наданням чинності від 2016-01-01

CONTENTS

FOREWORD

INTRODUCTION

1 Scope and object

1.1 Scope

1.1.1 Equipment included in scope

1.1.2 Equipment for which other requirements may apply

1.2 Object

1.2.1 Aspects included in scope

1.2.2 Aspects excluded from scope

2 Normative references

3 Terms and definitions

4 General testing requirements

4.1 General

4.2 General conditions for testing

4.2.1 Sequence of tests

4.2.2 Reference test conditions

4.3 Thermal testing

4.3.1 General

4.3.2 Maximum temperatures

4.4 Testing in single fault condition

4.4.1 General

4.4.2 Test conditions and duration for testing under fault conditions

4.4.3 Pass/fail criteria for testing under fault conditions

4.4.4 Single fault conditions to be applied

4.5 Humidity preconditioning

4.5.1 General

4.5.2 Conditions

4.6 Backfeed voltage protection

4.6.1 Backfeed tests under normal conditions

4.6.2 Backfeed tests under single-fault conditions

4.6.3 Compliance with backfeed tests

4.7 Electrical ratings tests

4.7.1 Input ratings

4.7.2 Output ratings

5 Marking and documentation

5.1 Marking

5.1.1 General

5.1.2 Durability of markings

5.1.3 Identification

5.1.4 Equipment ratings

5.1.5 Fuse identification

5.1.6 Terminals, connections and controls

5.1.7 Switches and circuit-breakers

5.1.8 Class II equipment

5.1.9 Terminal boxes for external connections

5.2 Warning markings

5.2.1 Visibility and legibility requirements for warning markings

5.2.2 Content for warning markings

5.2.3 Sonic hazard markings and instructions

5.2.4 Equipment with multiple sources of supply

5.2.5 Excessive touch current

5.3 Documentation

5.3.1 General

5.3.2 Information related to installation

5.3.3 Information related to operation

5.3.4 Information related to maintenance

6 Environmental requirements and conditions

6.1 Environmental categories and minimum environmental conditions

6.1.1 Outdoor

6.1.2 Indoor, unconditioned

6.1.3 Indoor, conditioned

6.2 Pollution degree

6.3 Ingress protection

6.4 UV exposure

6.5 Temperature and humidity

7 Protection against electric shock and energy hazards

7.1 General

7.2 Fault conditions

7.3 Protection against electric shock

7.3.1 General

7.3.2 Decisive voltage classification

7.3.3 Protective separation

7.3.4 Protection against direct contact

7.3.5 Protection in case of direct contact

7.3.6 Protection against indirect contact

7.3.7 Insulation including clearance and creepage distances

7.3.8 Residual Current Detection (RCD) or Monitoring (RCM) device compatibility

7.3.9 Protection against shock hazard due to stored energy

7.4 Protection against energy hazards

7.4.1 Determination of hazardous energy level

7.4.2 Operator access areas

7.4.3 Service access areas

7.5 Electrical tests related to shock hazard

7.5.1 Impulse voltage test (type test)

7.5.2 Voltage test (dielectric strength test) (type test and routine test)

7.5.3 Partial discharge test (type test or sample test)

7.5.4 Touch current measurement (type test)

7.5.5 Equipment with multiple sources of supply

8 Protection against mechanical hazards

8.1 General

8.2 Moving parts

8.2.1 Protection of service persons

8.3 Stability

8.4 Provisions for lifting and carrying

8.5 Wall mounting

8.6 Expelled parts

9 Protection against fire hazards

9.1 Resistance to fire

9.1.1 Reducing the risk of ignition and spread of flame

9.1.2 Conditions for a fire enclosure

9.1.3 Materials requirements for protection against fire hazard

9.1.4 Openings in fire enclosures

9.2 Limited power sources

9.2.1 General

9.2.2 Limited power source tests

9.3 Short-circuit and overcurrent protection 

9.3.1 General 

9.3.2 Number and location of overcurrent protective devices 

9.3.3 Short-circuit co-ordination (backup protection) 

10 Protection against sonic pressure hazards 

10.1 General

10.2 Sonic pressure and sound level

10.2.1 Hazardous noise levels

11 Protection against liquid hazards

11.1 Liquid containment, pressure and leakage

11.2 Fluid pressure and leakage 

11.2.1 Maximum pressure

11.2.2 Leakage from parts

11.2.3 Overpressure safety device 

11.3 Oil and grease 

12 Chemical hazards 

12.1 General 

13 Physical requirements 

13.1 Handles and manual controls

13.1.1 Adjustable controls

13.2 Securing of parts

13.3 Provisions for external connections

13.3.1 General

13.3.2 Connection to an a.c. mains supply

13.3.3 Wiring terminals for connection of external conductors

13.3.4 Supply wiring space

13.3.5 Wire bending space for wires 10 mm and greater 

13.3.6 Disconnection from supply sources

13.3.7 Connectors, plugs and sockets

13.3.8 Direct plug-in equipment 

13.4 Internal wiring and connections 

13.4.1 General 

13.4.2 Routing 

13.4.3 Colour coding

13.4.4 Splices and connections 

13.4.5 Interconnections between parts of the PCE

13.5 Openings in enclosures

13.5.1 Top and side openings

13.6 Polymeric materials

13.6.1 General 

13.6.2 Polymers serving as enclosures or barriers preventing access to hazards 

13.6.3 Polymers serving as solid insulation

13.6.4 UV resistance

13.7 Mechanical resistance to deflection, impact, or drop 

13.7.1 General 

13.7.2 250 N deflection test for metal enclosures

13.7.3 7 J impact test for polymeric enclosures

13.7.4 Drop test 

13.8 Thickness requirements for metal enclosures 

13.8.1 General

13.8.2 Cast metal

13.8.3 Sheet metal 

14 Components 

14.1 General 

14.2 Motor overtemperature protection

14.3 Overtemperature protection devices 

14.4 Fuse holders

14.5 Mains voltage selecting devices 

14.6 Printed circuit boards

14.7 Circuits or components used as transient overvoltage limiting devices

14.8 Batteries 

14.8.1 Battery enclosure ventilation

14.8.2 Battery mounting 

14.8.3 Electrolyte spillage 

14.8.4 Battery connections 

14.8.5 Battery maintenance instructions

14.8.6 Battery accessibility and maintainability 

15 Software and firmware performing safety functions 

Annex A (normative) Measurement of clearances and creepage distances 

Annex В (normative) Programmable equipment 

Annex C (normative) Symbols to be used in equipment markings 

Annex D (informative) Test probes for determining access 

Annex E (informative) RCDs 

Annex F (informative) Altitude correction for clearances 

Annex G (informative) Clearance and creepage distance determination for frequencies greater than 30 kHz

Annex H (informative) Measuring instrument for touch current measurements (see 7.5.4)

Annex I (informative) Examples of protection, insulation, and overvoltage category requirements for PCE 

Annex J (normative) Ultraviolet light conditioning test 

Figure 1 - Functional summary of protective measures against electric shock 

Figure 2 - Typical waveform for a.c. working voltage

Figure 3 - Typical waveform for d.c. working voltage 

Figure 4 - Typical waveform for pulsating working voltage

Figure 5 - Examples for protection against direct contact for DVC-C circuits 

Figure 6 - Protection by DCV A with protective separation 

Figure 7 - Protection by means of protective impedance

Figure 8 - Protection by limitation of discharge energy

Figure 9 - Protection by means of voltage limitation

Figure 10 - Examples of protective bonding and earthing

Figure 11 - Protective bonding impedance test for separate unit with power fed from the PCE with overcurrent protection for the power cable

Figure 12 - Protective bonding impedance test for separate unit with accessible parts and with power fed from the PCE without overcurrent protection 

Figure 13 - Voltage test procedures 

Figure 14 - Fire enclosure bottom openings below an unenclosed or partially enclosed component

Figure 15 - Fire enclosure baffle construction 

Figure 16 - Examples of cross-sections of designs of openings preventing vertical access

Figure 17 - Examples of louver design 

Figure 18 - Enclosure openings 

Figure 19 - Methods of compliance verification 

Figure A.1 - Narrow groove 

Figure A.2 - Wide groove 

Figure A.3 - V-shaped groove 

Figure A.4 - Rib 

Figure A.5 - Uncemented joint with narrow groove

Figure A.6 - Uncemented joint with wide groove 

Figure A.7 - Uncemented joint with narrow and wide grooves

Figure A.8 - Narrow recess 

Figure A.9 - Wide recess 

Figure A. 10 - Intervening, unconnected conductive part

Figure A.11 - Distance for multilayer PWBs 

Figure D.1 - Test finger 

Figure D.2 - Test pin

Figure D.3 - Straight unjointed test finger

Figure E.1 - Flow chart leading to selection of the RCD/RCM type upstream of a PCE

Figure G.1 - Clearance distance determination for frequencies greater than 30 kHz

Figure G.2 - Creepage distance determination for frequencies greater than 30 kHz

Figure H.1 - Measuring instrument

Figure H.2 - Alternative measuring instrument

Figure 1.1 - Transformer (basic) isolated PV inverter

Figure 1.2 - Transformer (basic) isolated PV inverter with SPD to reduce impulse voltage for functional insulation

Figure I.3 - Isolated PV inverter with SPD to reduce impulse voltage for basic insulation

Figure 1.4 - Transformer isolated auxiliary circuit with reinforced insulation

Figure 1.5 - Transformerless PV inverter

Table 1 - Total temperature limits for transformers, inductors, and other coils and their insulation systems

Table 2 - Total temperature limits for materials and components where manufacturer's ratings and component standards do not exist (see 4.3.2.1)

Table 3 - Total touch temperature limits for accessible surfaces

Table 4 - Environmental categories, environmental conditions, and test requirements

Table 5 - Reduction of the pollution degree of internal environment through the use of additional protection

Table 6 - Summary of the limits of the decisive voltage classes

Table 7 - Examples of application of insulation and separation

Table 8 - Insulation between accessible unearthed parts and DVC-A or -B circuits adjacent to DVC-B or -C circuits

Table 9 - Values of accessible capacitance and charging voltage (threshold of pain)

Table 10 - Test duration for protective bonding test

Table 11 - External protective earthing conductor cross-section

Table 12 - Insulation voltage for low voltage circuits

Table 13 - Clearance distances

Table 14 - Creepage distances (mm)

Table 15 - Impulse voltage test

Table 16 - Impulse test voltage

Table 17 - AC or DC test voltage for circuits connected directly to the mains

Table 18 - a.c. or d.c. test voltage for circuits not connected directly to the mains

Table 19 - Partial discharge test

Table 20 - Summary of material flammability requirements

Table 21 - Allowable openings in fire enclosure bottoms

Table 22 - Limits for inherently limited power sources

Table 23 - Limits for power sources not inherently limited

Table 24 - Sizes of conductors

Table 25 - Physical tests on power supply cords

Table 26 - Wire bending space from terminals to obstructions

Table 27 - Minimum property retention limits after UV exposure

Table 28 - Thickness of sheet metal for enclosures: Carbon steel or stainless steel

Table 29 - Thickness of sheet metal for enclosures: aluminium, copper or brass

Table A.1 - Value of X

Table C.1 - Symbols

Table F.1 - Correction factor for clearances at altitudes above 2 000 m (see 7.3.7.4.1)

Table F.2 - Test voltages for verifying clearances at different altitudes

Table G.1 - Minimum values of clearances in air at atmospheric pressure for inhomogeneous field conditions (Table 1 of IEC 60664-4)

Table G.2 - Minimum values of creepage distances for different frequency ranges (Table 2 of IEC 60664-4)