Lightning and Surge Protection according to EN 50539

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Lightning and Surge Protection according to EN 50539 standard © 2012 DEHN + SÖHNE

Lightning and Surge Protection according to EN 50539 standard © 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 0

www. dehn. in © 2012 DEHN + SÖHNE / protected by ISO 16016

www. dehn. in © 2012 DEHN + SÖHNE / protected by ISO 16016

DEHN PROTECTS © 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general

DEHN PROTECTS © 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 2

REASON OF SEASONS GOD SUN CREATES SEASONS , SUNSHINE , CLOUDS , RAIN ,

REASON OF SEASONS GOD SUN CREATES SEASONS , SUNSHINE , CLOUDS , RAIN , WIND , STORMS AND THUNDERSTORMS…. . (SOURCE - ADITYAHRIDYA SROTRAM) A SOLAR PLANT HAS TO WITHSTAND ALL THE SEASONS IN EXPECTED LIFE TIME AND STILL SHOW THE DESIRED OUTPUT. © 2012 DEHN + SÖHNE / protected by ISO 16016

SEASONS GOD SUN CREATES SEASONS , SUNSHINE , COULDS, RAIN , STORMS AND THUNDERSTORMS….

SEASONS GOD SUN CREATES SEASONS , SUNSHINE , COULDS, RAIN , STORMS AND THUNDERSTORMS…. . (SOURCE - ADITYAHRIDYA SROTRAM) ROI IS CALCULATED BASED UPON AN EXPECTED DEGRDATAION BUT DISASTERS ARE NOT COUNTED FOR— PROTECTION AGAINST RISKS OF NATURAL DISASTERS IS REQUIRED. © 2012 DEHN + SÖHNE / protected by ISO 16016

DEHN History DEHN + SÖHNE is an innovative, globally operating familyowned company with more

DEHN History DEHN + SÖHNE is an innovative, globally operating familyowned company with more than 100 years of experience and tradition. We are world leaders in the field of : • Lightning protection • Surge Protection • Human Safety © 2012 DEHN + SÖHNE / protected by ISO 16016

KULLU MANALI © 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general

KULLU MANALI © 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 6

© 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR

© 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 7

© 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR

© 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 8

© 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR

© 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 9

© 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR

© 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 10

Bijlee Mahadev @ 2480 m from sea level © 2012 DEHN + SÖHNE /

Bijlee Mahadev @ 2480 m from sea level © 2012 DEHN + SÖHNE / protected by ISO 16016

© 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR

© 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 12

Lightning current damage to a meter distribution cabinet: Destroyed main circuit breaker and RCCB

Lightning current damage to a meter distribution cabinet: Destroyed main circuit breaker and RCCB detail A t A l i a de d ail t e B detail B © 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 13 02. 08. 13 / 6410_E_1

Surge damage Destroyed electronic component © 2012 DEHN + SÖHNE / protected by ISO

Surge damage Destroyed electronic component © 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 14 02. 08. 13 / 6431_E_1

Why is lightning protection essential ? Required by Indian and international lightning protection standard

Why is lightning protection essential ? Required by Indian and international lightning protection standard (IS/ IEC 62305 -x including risk assessment) FOR HUMAN SAFETY AND PROTECTION OF EQUIPMENT/SERVICES Disastrous damages in the past in several areas in the world NATIONAL BUILDING CODE – NBC 2016 Requirement by Indian BIS standards and also in National Electrical Code © 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 15

Basics: Comparison of test currents inside the building 1 2 10/350 8/20 i max.

Basics: Comparison of test currents inside the building 1 2 10/350 8/20 i max. k. A 100 5 Q As 50 0, 1 2. 5 · 106 0. 4 · 103 100 k. A Wave form µs I (k. A) 80 k. A W/R J/ 60 k. A Standard 50 k. A 40 k. A IEC 62305 -1 1 20 k. A 2 20 µs 200 µs 350 µs 600 µs 800 µs 1000 µs t (µs) © 2012 DEHN + SÖHNE / protected by ISO 16016 VAL general short SEMINAR JAN 2016 16

© 2012 DEHN + SÖHNE / protected by ISO 16016 18

© 2012 DEHN + SÖHNE / protected by ISO 16016 18

Damage statistics photovoltaics Frequency of causes Damage which has been settled by a German

Damage statistics photovoltaics Frequency of causes Damage which has been settled by a German solar insurance company between 2003 and 2005 according to quantity Source: Mannheimer Versicherung 2006 © 2012 DEHN + SÖHNE / protected by ISO 16016

Damaged PV modules due to lightning strike A SOLAR PV PLANT IN INDIA ©

Damaged PV modules due to lightning strike A SOLAR PV PLANT IN INDIA © 2012 DEHN + SÖHNE / protected by ISO 16016

DAMAGES IN RAJASTHAN © 2012 DEHN + SÖHNE / protected by ISO 16016

DAMAGES IN RAJASTHAN © 2012 DEHN + SÖHNE / protected by ISO 16016

Lightning Protection System as per National Building Code 2016 © 2012 DEHN + SÖHNE

Lightning Protection System as per National Building Code 2016 © 2012 DEHN + SÖHNE / protected by ISO 16016

NBC: Air Termination System CLEAR NO to RADIOACTIVE air terminals or other kind like

NBC: Air Termination System CLEAR NO to RADIOACTIVE air terminals or other kind like ESE/Dissipation/CSE X © 2012 DEHN + SÖHNE / protected by ISO 16016 X X

External lightning protection - Rolling sphere method used to design an air-termination system GJB

External lightning protection - Rolling sphere method used to design an air-termination system GJB 230 / 400 V GJB = generator junction box SEB = service entrance box MEB = main earthing busbar © 2012 DEHN + SÖHNE / protected by ISO 16016 SEB MEB 5 th RE, India 2011 lightning protection photovoltaic 30. 09. 10 / S 6695 e_i

Design of the air-termination system separation distance s radius of the rolling sphere depending

Design of the air-termination system separation distance s radius of the rolling sphere depending on the class of LPS air-termination rod protection angle shadow line 15° © 2012 DEHN + SÖHNE / protected by ISO 16016 5 th RE, India 2011 lightning protection photovoltaic 30. 09. 10 / 4025 e

Lightning protection system – separation distance kept with air-termination rods Source: D. Salansky Luma

Lightning protection system – separation distance kept with air-termination rods Source: D. Salansky Luma Plus s. r. o (CZ) © 2012 DEHN + SÖHNE / protected by ISO 16016 5 th RE, India 2011 lightning protection photovoltaic 04. 12. 09 / 6454_c

© 2012 DEHN + SÖHNE / protected by ISO 16016

© 2012 DEHN + SÖHNE / protected by ISO 16016

Galvanic coupling Lightning voltage of a system Class of LPS I II III -

Galvanic coupling Lightning voltage of a system Class of LPS I II III - IV Current amplitude k. A 200 150 100 i î Reference: DIN EN 62305 -1 (VDE 0185 -305 -1) Wave form 10 / 350 µs ûE = î · Rst EB Rst © 2012 DEHN + SÖHNE / protected by ISO 16016 Example: ûE = 100 k. A · 1 = 100 k. V t

Galvanic coupling Lightning voltage in a building 100 k. V 230 V 100 k.

Galvanic coupling Lightning voltage in a building 100 k. V 230 V 100 k. A 1 © 2012 DEHN + SÖHNE / protected by ISO 16016

© 2012 DEHN + SÖHNE / protected by ISO 16016

© 2012 DEHN + SÖHNE / protected by ISO 16016

Damaged inverters © 2012 DEHN + SÖHNE / protected by ISO 16016

Damaged inverters © 2012 DEHN + SÖHNE / protected by ISO 16016

© 2012 DEHN + SÖHNE / protected by ISO 16016

© 2012 DEHN + SÖHNE / protected by ISO 16016

Failures at Mahindra Susten, Kolayat © 2012 DEHN + SÖHNE / protected by ISO

Failures at Mahindra Susten, Kolayat © 2012 DEHN + SÖHNE / protected by ISO 16016

Real Life Experience © 2012 DEHN + SÖHNE / protected by ISO 16016

Real Life Experience © 2012 DEHN + SÖHNE / protected by ISO 16016

Basics: Equipotential Bonding Concept CASE 1 10 KV 230 V RESULTS - ? CASE

Basics: Equipotential Bonding Concept CASE 1 10 KV 230 V RESULTS - ? CASE 2 100 KV RESULTS - ? © 2012 DEHN + SÖHNE / protected by ISO 16016

Basics: Galvanic coupling Lightning voltage in a building 100 k. A 20 k. V

Basics: Galvanic coupling Lightning voltage in a building 100 k. A 20 k. V 230 V 100 KV 100 k. V 1 © 2012 DEHN + SÖHNE / protected by ISO 16016

MEB* Lightning equipotential bonding LPZ 0 LPZ 1 utility water external lightning protection system

MEB* Lightning equipotential bonding LPZ 0 LPZ 1 utility water external lightning protection system Basics: Lightning equipotential bonding for incoming lines M gas heating system Cathodically protected tank pipe foundation earth electrode *MEB = main earthing busbar © 2012 DEHN + SÖHNE / protected by ISO 16016

Lightning Protection System (LPS) External Lightning Protection Air-termination system- collection of Lightning Down-conductor system-

Lightning Protection System (LPS) External Lightning Protection Air-termination system- collection of Lightning Down-conductor system- Discharge of Lightning Earth-termination system- Dissipation of lightning to ground Internal Lightning Protection Lightning equipotential bonding Surge protection Separation distance s must be observed to prevent dangerous spark formation © 2012 DEHN + SÖHNE / protected by ISO 16016 5 th RE, India 2011 lightning protection photovoltaic 30. 09. 10 / 4509 e

Take care of short circuit/ DC arcs ARC produce d by 12 V DC

Take care of short circuit/ DC arcs ARC produce d by 12 V DC battery –Imagine 1000 V ARC in PV ARC PRODUCED BY 12 V CAR BATTERY- IMAGINE 1000 V ARC in PV!! © 2012 DEHN + SÖHNE / protected by ISO 16016

I string 1 I string. Total I string 2 I string n LOAD CURRENT

I string 1 I string. Total I string 2 I string n LOAD CURRENT AND SC CURRE BREAKING CAPACITY OF ARRES e. g. IL=16 STRINGS X 10 A = 160 ISCWPV > 180 A © 2012 DEHN + SÖHNE / protected by ISO 16016

Selection of surge protective devices Case 2: Type 2 SPD in Y-connection with 3

Selection of surge protective devices Case 2: Type 2 SPD in Y-connection with 3 varistors = ~ Open-circuit voltage of the generator UOC STC © 2012 DEHN + SÖHNE / protected by ISO 16016 Practical example:

Surge Arrester DEHNguard® M YPV SCI Functional principle of the 3 -step d. c.

Surge Arrester DEHNguard® M YPV SCI Functional principle of the 3 -step d. c. switching device SCI. . Short Circuit Interruption SCI The electrical isolation of an overloaded protection module by means of the integrated fuse allows safe replacement of protection modules without arc formation © 2012 DEHN + SÖHNE / protected by ISO 16016

Surge Arrester DEHNguard® M YPV SCI Safe electrical isolation Circuit diagram SCI © 2012

Surge Arrester DEHNguard® M YPV SCI Safe electrical isolation Circuit diagram SCI © 2012 DEHN + SÖHNE / protected by ISO 16016 Can be used without backup fuse in all low-, medium- and highperformance photovoltaic systems due to the integrated fuse

Surge Arrester for PV MUST HAVE 1. APPROPRIATE RATING OF ISCWPV 2. Y Connection

Surge Arrester for PV MUST HAVE 1. APPROPRIATE RATING OF ISCWPV 2. Y Connection 3. SURGE DISCHARGE RATING of >= 10 KA at 8/20 microsec or 12. 5 KA 10/350 microsec 4. END OF LIFE- Proper disconnection of DC ARC through by pass FUSE © 2012 DEHN + SÖHNE / protected by ISO 16016

PV Lightning and Surge PROTECTION REQUIREMENT 1. Good ELP design from professional as per

PV Lightning and Surge PROTECTION REQUIREMENT 1. Good ELP design from professional as per IS/ IEC 62305 2. Good Earthing design as per IEEE 80 3. Ensure Equipotential Bonding using SPDs at all AC and DC inputs 4. END OF LIFE- Proper disconnection of DC ARC through by pass FUSE 1. KEMA approved products and not funkies as bodygaurd © 2012 DEHN + SÖHNE / protected by ISO 16016

THANK YOU www. dehn. in My Coordinates: - Vikas. almadi@dehn. in / info@dehn. in

THANK YOU www. dehn. in My Coordinates: - Vikas. [email protected] in / [email protected] in +91 - 9811516203 © 2012 DEHN + SÖHNE / protected by ISO 16016