Lightning & Surge Protection as per latest Indian...

DEHN India Pvt Ltd

[ 100% subsidiary of DEHN+SOHENE, Germany]

Plot no. 213 , Sector 7, IMT Manesar

Gurgaon -122050, Haryana

Ph : 0124-4007680 , Email : info@dehn.in

Lightning & Surge Protection

as per

latest Indian Standard

- DEHN +SOHENE , A family-owned German MNC

- 106 years Rich experience in Lightning Protection

- 20 subsidiaries spread in all continents

- Sales & Support network present in over 75 countries

- Present in Indian market for almost last 20 years

- DEHN India Pvt Ltd, 100% subsidiary in India for almost 5 years.

Introduction

DEHN stands for Top quality products & Proven solution

Surge Protection - since 1953

Lightning Protection/Earthing

Safety Equipment

3 By VAL general short ELP and Int DIA PPT

DEHN protects – Industry Segments

Residential & functional buildings, renewable energies ,

Oil & Gas, Telecommunication, Transportation, Steel, Power,

Cement, Pipeline , Defence, Airports, Fertilizer industries. 4 By VAL general short ELP and Int DIA PPT

Renowned companies rely on DEHN + SÖHENE

DEHN Protects Boeing-Air India Engine test facility

@ Nagpur

Major Customers – Steel , Power, Cement Industries

- ACC Cement Ltd

- Ambuja Cement Ltd

- Tata steel Ltd

- Steel Authority of India Ltd

- Siemens Ltd

- Power Grid Corporation

- National Thermal Power Corporation

DEHN’s activity and capabilities – Technical

seminar and training for customers

DEHN’s activity and capabilities – LPS

design and 3D modeling

DEHN’s activity and capabilities –

Exhibitions

Need of increased attention

- Old Indian standard ( 1989 – 2015) for lightning protection

was not very comprehensive and hence rarely customers

were serious about good lightning protection system (LPS) .

- New Indian Standard ( since Aug 2015) is very comprehensive

and hence Indian industries need up-gradation in order to

comply with new Indian standard.

- Up-gradation for existing plants / Compliance with new

standard for new plants - - both needs additional engineering

measures and financial investments.

- As per the new Standard, up to 99% risk can be mitigated by

installation and maintenance of LEVEL-1 LPS.

Bureau of Indian Standards

What is the BIS guideline in India for

protection against Lightning!!

Lightning protection

Standards & Practices : IS / IEC 62305 : 2010

IS / IEC 62305 : 2010

IS/ IEC 62305-2

IS/ IEC 62305-1

Lightning

Protection

IS/ IEC 62305-3

External Lightning

Protection of

Structures

IS/ IEC 62305-4

Protection of Electrical and

Electronics equipments

inside Structures

Protection

measures

Lightning

protection

The Lightning Threat

Lightning Risk Management

Subsidiaries of IEC 62305 standard

IEC 61643-11 : Surge protective devices connected to low-voltage power

distribution systems – Requirements and test methods

IEC 61643-12 : Surge protective devices connected to low-voltage power

distribution systems – Selection and application principles

IEC 61643-21 : Surge protective devices connected to telecommunications

and signaling networks – Performance requirements and testing

methods

IEC 60364-5-53 : Selection and erection of electrical equipment —

Isolation, switching and control.

IEC 60079-25 : Intrinsically safe electrical systems

How and from Where Threat comes !

Nature of Lightning strike

Lightning Impulse – Magnitude and shape

Lightning Prot. Level Current amplitude kA

II 150

III - IV 100

Ref.: IEC 62305

Example:

ûE = 100 kA · 1 = 100 kV

wave form 10 / 350 µs EBB

Think and feel

1 Amp = average 4-5nos domestic light/fan consumption

x 1000

= 200 K Amp

( roughly 10 lacs domestic light/fan consumption)

1 sec = average 1 eye blinking time

1/1000

1/ 1000,000

= 1 micro second

Distant Lightning Strike on tree/ Tower / Hills

0 Volt

some 100 kV U

0 Volt

100kV 10kV

some 10 kV

No direct hit on the infrastructure

but the local ground potential rises leads to

damage/ failure of equipments…

Lightning hit on

tree at distance

Ground Potential Rise (GPR)

0 Volt

Inductive Coupling

Lit.: ...

induction loop data

socket outlet

IT network

power supply

power socket outlet

Control room

Looking for Sources of Ignitions

Non-hazardous area Hazardous area

I.S. Barrier

explosion

protection

zone 0

explosion

protection

zone 1, 2

Control room

Looking for Sources of Ignitions

Non-hazardous area Hazardous area

I.S. Barrier

explosion

protection

zone 0

explosion

protection

zone 1, 2

Basics:

Galvanic coupling Lightning voltage in a building

100 kV 100 kV 230V

100 kV

100 kA

VAL general short SEMINAR JAN 2016 27

Low resistance path

Lightning and surge issues

at least 4 mm²

BLITZDUCTOR®

BXT BAS EX, BXT ML4 ...EX

DEHNpipe

DPI MD EX

control room

Ex i isolating

power supply

S1 Non-hazardous area

hazardous area: measuring and

control circuit Ex(i)

24.11.14 / 3904_E_7

BLITZDUCT

Application

Surge protection for power supply systems

VAL general short SEMINAR JAN 2016 30.07.13 / 8350_E_1

power network

> 5 m DEHNfle

DEHNrail

DEHNsafe

Type 3

DEHNventil

Type 1-2-3

DEHNguard

Type 2

DEHNguard

Type 2

terminal

device

terminal

device

terminal

device

terminal

device

terminal

device

MDB main distribution board

SDB sub distribution board

How to protect against Threats !

Lightning current parameters according to

the lightning protection level (LPL)

Ref.: IEC 62305-1, Tables 5, 6, 7

3 - 200 kA

5 - 150 kA

10 - 100 kA

16 - 100 kA

100 150 200 i [kA]

IP 99%

IP 97%

IP 84%

current amplitude P = Current amplitude probability

Efficiency = IP x P

IP = Interception probability

Guideline for protection design

Protection angle Mesh

size W

I 20 5 x 5 10

II 30 10 x 10 10

III 45 15 x 15 15

IV 60 20 x 20 20 0 2 10 20 30 40 50 60

I II III IV

Rolling sphere radius r (m)

Class of LPS

Typ. dist. bet.

down cond.

Protection zone

Lightning protection of Building

3D Concept Design: Position of Air Termination of Rods

Postion of selected air termination rods

3D Concept of Design:

Creation of protected volume

3D Concept of Design: Protected volume (zone of

protection)

3D concept design

for a gas power plant New software solution !!

Concept design and sample projects, Michael Knauer, 04.16

3D concept design for a gas power plant

- Result of the rolling sphere method

New software solution !!

Concept design and sample projects, Michael Knauer, 04.16

General principle for

protection measures in

manufacturing plants

Petrochemical plant

Meshed earth-termination system

17.12.14 / 5934_E_1

Process plant

Facilities

17.12.14 / 5934_E_2

Process plant

Earth connections

17.12.14 / 5934_E_3

Process plant

Hazardous Areas

17.12.14 / 5934_E_4

Process plant

External lightning protection system

17.12.14 / 5934_E_5

Process plant

Lightning equipotential bonding

17.12.14 / 5934_E_6

Process plant

Lightning protection zones

17.12.14 / 5934_E_7

Process plant

Surge protection measures

17.12.14 / 5934_E_8

Application Areas

- Field Instruments

- DCS / PLC IO Cards

- DCS / PLC power supply card or UPS

- Equipotential Bonding between Electrical Earth and

Instrumentation Earth

- CCTV Surveillance system

- Weighbridge / Load cell

- LED Displays

IEC 60079-25

4th Hazardous Areas Conference Melbourne, July 2014 13.05.14 / 5098_E_4

Lightning and surge issues

at least 4 mm²

BLITZDUCTOR®

BXT BAS EX, BXT ML4 ...EX

DEHNpipe

DPI MD EX

control room

Ex i isolating

power supply

S1 Non-hazardous area

hazardous area: measuring and

control circuit Ex(i)

24.11.14 / 3904_E_7

BLITZDUCT

Selection criteria

Series connection or parallel

connection !

M 20 or NPT thread !

Ex (i) or Ex (d) applications !

corrosion-resistant stainless

steel !

08.11.12 / 8152_E_2 4th Hazardous Areas Conference Melbourne, July 2014

2 wire or 4 wire !

IP 67 !

Surge Arresters for use with field instruments in

explosive area

For installation on field devices in intrinsically safe measuring circuits Ex (i) or on flameproof devices Ex (d).

Protection of 4-20mA measuring circuits or bus systems up to 32 V.

Easy installation on field devices with a spare cable gland.

Approvals (depending on the arrester): ATEX, IECEx, FISCO, CSA Hazloc, GOST, SIL

52 08.11.12 / 8153_E_2

Field wiring connection

Surge Protection for Field mounted Transmitters

Surge Arresters for PLC / DCS in Control room

Terminal box for IT systems

Protection of intrinsically safe measuring

circuits and bus systems Ex (i)

E.g. Profibus-PA Ex (i) and RS 485 interfaces

and temperature measuring equipment

Approvals (depending on the arrester):

SIL, CSA, GOST, ATEX, IEC Ex, FISCO

Prewired terminal box for outdoor in-

stallation consisting of arresters for Ex (i)

circuits, terminals and an aluminium

enclosure

Customised versions are available on

request

08.11.12 / 8156_E_2

Surge Protector for process signals

field level control cabinet

Protection for Power supply line

<50 kA

12.5 kA each in 63A Fused

network

>50 kA Exte

100 kA

12.5 kA

2451 /

07.03.200

Lightning Current Distribution at “3+1“ Set-up

(Protection Level IV )

Application

Surge protection for power supply systems

terminal

device

terminal

device

terminal

device

terminal device

Type 2

Type 2 Type 3

Type 3

Type 1-2-3 MDB

MDB: Main Distribution Board

SDB: Sub-Distribution Board

CCTV systems

Bus systems, CCTV

systems

Data networks and

IP cameras

Co-axial Protection Power supply

systems

Weigh Bridge

Switching of the scale cells

Transmitter 1 Transmitter 4 Transmitter 2 Transmitter 3

1 4 3 2 1 4 3 2 1 4 3 2 1

Lightning and Surge Protection of Scale System with

BLITZDUCTOR® XT

230 V -Supply

Transmitter

4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1

BLITZDUCTOR XT

Type BXT ML4 BE 24

Transmitter

Surge protection for Ethernet based communication

system

By VAL general short ELP and Int DIA PPT

Patch panel unprotected side

HUB / Switch protected side

24 nos surge

arresters

installed on a

DIN rail

07.02.13 / 2676_E_2 65

Thank you for your attention

DEHN India Pvt Ltd

Lightning & Surge Protection as per latest Indian...

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