Energotest ZL-4A User manual

Solutions contained within this design may be copied and distributed only as a whole.

Copying and/or use part of this design for may take place only upon a written permission issued by

Energotest Ltd

ARC FAULT

PROTECTION

ZŁ-4A

Operating Manual

Gliwice, July 2019

Operating Manual

Arc fault protection ZŁ-4A; (07.2019)

Documentation

version

Table of

contents

points

Description

IU_ZŁ-4A ANG

20181127

Original version

IU_ZŁ-4A ANG

20190710

Addition of records about the maximum length of the fiber re-

serve.

Operating Manual

Arc fault protection ZŁ-4A; (07.2019)

Energotest reserves the right for making modifications in products for the purpose of im-

provement of the technical quality. These modifications may have not been taken into con-

sideration in this documentation yet.

Brands and names of products mentioned in this instruction are producer’s brand and

should be considered as registered trademarks.

To contact us:

Energotest sp. z o.o.

ul. Chorzowska 44B

44-100 Gliwice

Poland

Phone –Central office: 048-32-270 45 18

Phone –Production Department: 048-32-270 45 18 ext. 40

Phone –Marketing: 048-32-270 45 18 ext. 26

Fax: 048-32-270 45 17

E-mail –Production Department: produkcja@energotest.com.pl

Internet (www): http://www.energotest.com.pl

Operating Manual

Arc fault protection ZŁ-4A; (07.2019)

1. MEANING OF OPERATING MANUALS

In case of doubts regarding the appropriate interpretation of the manual's content we

strongly advise you to contact the manufacturer for further explanation.

We will be grateful for any suggestions, opinions and critical remarks and we kindly ask our

customers to deliver them. This may help us to make the manual easier to be used and give

consideration to wishes and requirements of the users.

A device, to which the manual has been prepared, does not cover all potential dangers to

people and material value. That is why every person, working with this device or performing

any activities connected with operating and service of the device, has to be previously

trained and has to know potential hazard. It requires careful reading, understanding and

obeying the operating manual, particularly remarks concerning safety.

 
Operating Manual 
 
Arc fault protection ZŁ-4A; (07.2019) 

 
TABLE OF CONTENTS 
 
MEANING OF OPERATING MANUALS................................................................. 4 
INFORMATION ON COMPLIANCE ....................................................................... 7 
Application of the unit ............................................................................................. 7 
Safety rules............................................................................................................. 8 
ZŁ-4A Technical description................................................................................. 11
1. General information....................................................................................... 11
2. Functions of particular protection elements................................................... 14
2.1. Central unit............................................................................................. 14
2.2. Bay unit.................................................................................................. 15 
2.3. Executive unit......................................................................................... 15
2.4. Optical detectors. ................................................................................... 16
2.5. Power supply.......................................................................................... 16
3. ZŁ-4A front panels......................................................................................... 17
3.1. Central unit............................................................................................. 17
3.2. Bay unit.................................................................................................. 18 
3.3. Executive unit......................................................................................... 19
Technical data...................................................................................................... 20
List of applied standards....................................................................................... 27
Information on completeness................................................................................ 28
Mounting............................................................................................................... 28
Starting up.......................................................................................................... 37 
1. Registration of bay units.............................................................................. 37
2. Optical inputs configuration......................................................................... 38
3. Optical inputs checking................................................................................ 38
3.1. Check with an external light source...................................................... 38
3.2. Check with an embedded test.............................................................. 39 
4. Voltage measurement input checking.......................................................... 40
Using of ZŁ-4A JP control panel......................................................................... 40
1. Information on software version .................................................................. 40
2. “Ready” status ............................................................................................. 41
3. Bay unit configuration.................................................................................. 44
4. Error messages........................................................................................... 45 

 
Operating Manual 
 

Arc fault protection ZŁ-4A; (07.2019) 
 
5. „Tripping” mode ........................................................................................... 46 
6. Optical detectors test................................................................................... 48
Using of ZŁ-4A JW control panel........................................................................ 49 
1. Information on software version .................................................................. 49
2. “Ready” status ............................................................................................. 49
3. Executive unit configuration......................................................................... 50
4. Error messages........................................................................................... 50 
5. „Tripping” mode ........................................................................................... 51 
Using of central unit ZŁ-4A JC control panel ...................................................... 51
1. LCD display startup screen ......................................................................... 52
2. Control panel menu structure...................................................................... 52
3. Menu (pages) review................................................................................... 53 
3.1. Page 1) JP/JW UNITS.......................................................................... 53
3.2. Page 2) STATUS ................................................................................. 59 
3.3. Page 3) ACTIVATION.......................................................................... 62
3.4. Page 4) OCCURRENCES.................................................................... 64 
3.5. Page 5) TRIPPING............................................................................... 65 
3.6. Page 6) ALARMS................................................................................. 67 
3.7. Page 7) CONFIGURATION.................................................................. 69 
3.8. Page 8) OPTICAL SYSTEM TEST ...................................................... 77
Communication ports.......................................................................................... 82
1. CAN bus...................................................................................................... 82
2. RS485 Interface .......................................................................................... 82
Operating............................................................................................................ 95 
1. Periodic check of the protection operation................................................... 95 
2. Exchange of optic elements after an arc fault appearance.......................... 95
3. Detection and elimination of the damage .................................................... 96
Storing................................................................................................................ 96 
Utilization............................................................................................................ 96 
Warranty and service.......................................................................................... 97 
Ordering.............................................................................................................. 97
 

Operating Manual

Arc fault protection ZŁ-4A; (07.2019)

2. INFORMATION ON COMPLIANCE

A device being the subject of this instruction has been constructed and prepared and it is

now manufactured for the purpose of use in industrial environment.

This device is compatible with the following directives:

1. Compatibility System and Market Supervision Act of 13th April 2016 (Dz. U. 2016 pos.

542) as amended.

2. Compatibility System Act of 30th August 2002 (Dz. U. No. 166 pos. 1360) as amended.

3. Decree of Development Minister dated June 2nd 2016 (Dz. U. 2016 pos. 806) imple-

menting the European Parliament Directive Low voltage LVD 2014/35/UE.

4. Polish Act of 13th April 2007 on electromagnetic compatibility (Dz. U. No. 82 pos. 556)

implementing the European Parliament Directive EMC 2014/30/UE.

Compliance with the directives has been confirmed by tests performed in laboratory of Ener-

gotest and also independently of the manufacturer measurement and research laboratories

in accordance with the requirements of the harmonized standards: PN-EN 60255-27:2014-06

(for the LVD directive) and PN-EN 60255-26:2014-01 (for the EMC directive).

3. Application of the unit

The majority of faults in medium or low voltage switchgears are accompanied by an elec-

tric arc, which causes significant damage to equipment and is a great hazard to human life.

Breaking a fault within up to 100 ms enables the avoidance of the most serious damage to

equipment and decreases a hazard to people in the vicinity of the place of fault occurrence.

In case of a long duration of the fault severe injuries, i.e. burns, damage of eyesight etc.,

including loss of life, can occur. Besides, an irreversible and often complete damage to the

switchgear is highly possible.

Because of serious hazard both to people and equipment, according to the regulations of

the European countries, including Poland, it is strongly recommended to undertake effective

preventive measures in medium and low voltage switchgears as well as in transformer

stations to reduce the effects of arc faults.

The fiber optic arc protection type ZŁ-4A localizes arc fault immediately. Considering the

time of operation of the currently used circuit breakers (30-50 ms), the protection system type

ZŁ-4A guarantees that the switchgear or its specific bay will be switched off within

40-60 ms reducing to minimum the effects of arc faults.

Operating Manual

Arc fault protection ZŁ-4A; (07.2019)

Additional ZŁ-4A features:

ability to selective switch off the bays where short-circuit appears;

applying the voltage criterion, providing security of the whole switchgear (no unpro-

tected zones) –this criterion is also beneficial in case of parallel running of two

or more incoming feeders on one section of a switchgear;

ability to operate in case of arc fault;

simplicity of solution and housing in already operating and newly built/constructed

switchgears and transformer stations.

ZŁ-4A is dedicated to LV and MV switchgears and transformer stations. Equipping

a switchgear or a transformer station with the arc protection system type ZŁ-4A is the optimal

way to meet the requirements of appropriate standards of protection of the personnel and the

equipment against destructive effects of arc faults.

4. Safety rules

The following chapter presents the information crucial to appropriate installation and op-

eration of the product. It is assumed that the personnel installing and operating this device is

properly qualified and is aware of the potential danger of electrical devices.

The device fulfills all the requirements of obligatory standards and rules regarding safety.

It has been carefully constructed in order to meet the user security demand.

Device Installation

The device should be installed in such a location where proper environmental

conditions specified in technical data are provided Ensure adequate cooling of

the device. Devices should be properly mounted, protected from mechanical

damage and from accidental access of unauthorized persons. Wires cross-sections and

types of connections should be consistent with the guidelines given in this manual. Casings

are made of plastic and do not require grounding.

Operating Manual

Arc fault protection ZŁ-4A; (07.2019)

Commissioning of device

During a startup of the device its rating plate and the following elements should be care-

fully checked:

continuity of grounding circuits,

fuses,

compliance of values of auxiliary power supply voltage,

compliance of values of measured quantities (voltage),

correctness of applied protections of voltage circuits (nominal values of fuse links

or nominal - currents and characteristics of automatic circuit breakers),

maximum load of relay outputs,

compliance of voltage values of switching outputs,

correctness of mounting all circuits .

Operating of device

The unit should operate in the environment specified in technical data.

Personnel operating the device should be authorized and acquainted with operat-

ing manuals.

Opening the casing

Before starting any activities that require opening the device casing, one should

obligatorily switch off all the measurement and auxiliary voltage supplies and

disconnect all terminals blocks. The dangerous voltage may appear on the de-

vice elements during 1 min after isolating the circuit.

The applied integrated circuits are very sensitive to electrostatic discharges and that is why

opening the unit without special anti-electrostatic equipment may cause its damage.

Service

After installing the device does not require any additional service apart from periodic in-

spection required by applicable regulations. In case of appearance of any defect the user

should ask the producer for help. The producer offers service related to activating, commis-

sioning, guarantee and post guarantee service. Manufacturer’s guarantee terms and condi-

tions are described in the guarantee card.

Operating Manual

Arc fault protection ZŁ-4A; (07.2019)

Modifications and changes

For the sake of security all modifications and changes of the unit functions are forbidden.

Modifications of the device which have not been certified in writing by the manufacturer,

cause loss of any liability claims made against Energotest Ltd.

Exchange of any elements or components the device is composed of, produced

elsewhere, may cause hazard to users and eventually result in incorrect function-

ing.

Energotest does not take any responsibility for damage caused by applying inappropriate

elements or components of the device.

Nominal data, name plates and stickers

It is obligatory to obey instructions located on the device such as descriptions or name

plates and stickers and it is necessary to keep them legible. Plates and stickers, which be-

come damaged or illegible, should be exchanged.

Danger impossible to eliminate

Danger arising from on-load high voltage.

To avoid the electric shock it is suggested not to touch service terminals blocks.

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