Eaton ARCON 3G Manual de usuario
Third Generation of
active arc fault protection system
For low voltage switchgear assemblies
ARCON 3G
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ARCON 3G
ARCON 3G MANUAL MN026015EN October 2020 www.eaton.com
1 INTRODUCTION................................................3
1.1 ARCON 3G – General Outline .....................................3
1.2 Functional Scope ...............................................4
1.3 Terminal Connections............................................8
1.4 Mounting Instruction ............................................9
2 SIMPLE SYSTEM WITH ARC-LITE-3G MASTER......................14
2.1 Components .................................................15
2.2 Constellation .................................................16
2.3 Master LITE..................................................17
2.4 Detection module .............................................23
2.5 Configuration process ..........................................23
2.6 Normal operation mode ........................................24
2.7 Events & Alarms ..............................................25
2.8 Troubleshooting alarms .........................................26
3 EXTENDED SYSTEM WITH ARC-MAIN-3G MASTER .................27
3.1 Components .................................................28
3.2 Constellation .................................................30
3.3 Master MAIN ................................................31
3.4 Detection module .............................................37
3.5 Tripping module ...............................................38
3.6 Quenching device .............................................39
3.7 Display / External HMI .........................................40
3.8 Arc Protection Parameter Tool (APPT) ..............................63
3.9 Parameterization ..............................................71
3.10 Parameters ..................................................71
3.11 Events & Alarms ..............................................74
3.12 Troubleshooting alarms .........................................78
3.13 Normal operation mode.........................................80
3.14 Files ........................................................80
3.15 Operation modes (Security)......................................81
4 COMPLEX SYSTEM WITH UP TO FIVE ARC-MAIN-3G MASTER UNITS ..82
4.1 Constellation .................................................82
4.2 MASTERLINK ................................................83
5 TECHNICAL DATA .............................................84
5.1 Tests and environmental conditions ...............................84
5.2 ARC-LITE-3G .................................................86
5.3 ARC-MAIN-3G ................................................89
5.4 ARC-DMOD-3SL ..............................................93
5.5 ARC-TMOD-1QD ..............................................95
5.6 ARC-MAIN-HMI...............................................97
6 GLOSSARY...................................................98
7 LIST OF TABLES...............................................99
8 LIST OF PICTURES ...........................................101
Contents
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ARCON 3G
ARCON 3G MANUAL MN026015EN October 2020 www.eaton.com
According to American National Fire Protection Association (NFPA), Arc Fault is a
“dangerous condition associated with the release of energy caused by an electrical arc”
as part of an Arc Fault, a type of electrical explosion or discharge that results from a
low-impedance connection through air to ground or another voltage phase in
electrical system.
Arc fault errors are the most powerful faults, which can occur in electrical installations.
Although serious precautionary measures that are given due consideration and
implemented in advance, these faults happen. They can be caused by a multitude of
factors, such as aging of the insulation, environmental conditions as well as operating
errors (human faults) or by animals entering in electrical switchboard. Electric arcs can
cause heavy damage to switchgear and present a serious hazard to operating personnel,
including heavily injures and death. In order to prevent this, the most suitable solution is
to foreseen arc fault protection systems inside electrical cabinets. These units detect the
light and increasing current of an emerging arc fault and send a trip signal to the shunt
trip of an upstream protection device such as a circuit breaker.
Figure 1.1 ARC faults errors damage curve
A conventional protection device is not able to clear the fault within a few milliseconds
and to prevent destruction of operating devices. This is where the arc protection system
establishes the connection between a short detection time and a fast response time.
ARCON 3G presents effective modular and compact system for arc protection in
low voltage switchgear assemblies, which successfully provides both, personnel and
assembly protection. ARCON 3G detects an electrical arc caused by a short circuit
through optical sensors and the load current input on the system to employ the fast
clearance of arc faults on an electrical system with a total arc mitigation time less than
2 ms.
Introduction
ARCON®3G – General outline
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ARCON 3G
ARCON 3G MANUAL MN026015EN October 2020 www.eaton.com
Figure 1.2 Comparison of impact timing for systems with and without ARC protection
The ARCON 3G protection system is designed as modular system, so that flexible use in
different switchgears is ensured.
The ARCON 3G system provides following modules which can be used to establish
different protection levels and topologies:
ARC-LITE-3G Master LITE unit providing trip and watchdog contacts and
communication link to connected modules.
ARC-MAIN-3G Master MAIN unit providing current measurement for additional
tripping criteria, voltage measurement, trip and watchdog contact and
communication link to connected modules, HMI and Masterlink.
ARC-TMOD-1QD Tripping module to operate separate quenching device (ARC-AT).
ARC-DMOD-3SL Module for electrical arc detection via line sensor (ARC-SL).
ARC-MAIN-HMI Human Machine Interface to display and control the Master MAIN.
ARCON 3G offers three different systems (levels) of arc fault protection:
1. ARCON 3G simple arc protection system (only light criteria for arc fault monitoring)
2. ARCON 3G extended arc protection system (light & current criteria for full personnel
and assembly protection)
3. ARCON 3G complex arc protection system (up to 5 extended systems communicating
over Masterlink)
Functional scope
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ARCON 3G
ARCON 3G MANUAL MN026015EN October 2020 www.eaton.com
ARCON 3G simple arc protection system
The ARCON 3G simple arc protection system is based on the following modules:
• ARC-LITE-3G Master LITE unit providing trip contacts & communication link to
connected Line Sensor(s).
• ARC-DMOD-3SL up to 3 Line Sensor (ARC-SL) and 1 Mobile Light Sensor (ARC-SM)
for detecting electrical arc per each module.
Master LITE unit provides 3 parallel operating fast binary tripping outputs, trip alarm and
watchdog binary outputs and 3 x 15-segment display for indication of system status /
error codes. Master LITE unit doesn’t require any programming or parameter setting. All
module housings are made of stainless and DIN rail TS35 mounting.
ote:N Up to 31 Detection modules can be interlinked to the master module via internal
CANBUS communication and maximum distance between the master module and
the last connected module is 100m.
Figure 1.3 ARCON 3G simple arc protection system
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ARCON 3G
ARCON 3G MANUAL MN026015EN October 2020 www.eaton.com
The ARCON 3G extended arc protection system is based on the following modules:
• ARC-MAIN-3G Master MAIN unit providing current measurement for additional tripping
criteria (di/dt), voltage measurement, HMI, trip contacts & communication link to
connected modules
• ARC-DMOD-3SL Module for electrical arc detection via line sensor (ARC-SL)
• ARC-MAIN-HMI Human Machine Interface to display and control the Master MAIN
• ARC-TMOD-1QD Tripping module for external quenching device (ARC-AT)
Master MAIN unit provides 3 parallel operating fast binary tripping outputs, trip alarm
and watchdog binary outputs and 3 x 15-segment display for indication of system status
/ error codes. Master MAIN requires programming and parameter setting via separate
software (APPT) for initial setup. All module housings are made of stainless and DIN rail
TS35 mounting. (except HMI)
ARCON 3G extended arc protection system can be easily implemented in different
applications by parameter setting. ARC-MAIN-3G module has possibility to take current
rate of change (di/dt) as additional tripping criteria. Measuring values (U/I/P…etc.) are
displayed on HMI unit.
On top of that Master MAIN is able to trip external quenching device (ARC-AT) via
IGNITION PORT over Tripping module.
ote:N Up to 31 Detection modules can be interlinked to the master module via internal
CANBUS communication and maximum distance between the master module and
the last connected module is 100m.
Figure 1.4 ARCON 3G extended arc protection system
ARCON 3G extended arc protection system
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ARCON 3G
ARCON 3G MANUAL MN026015EN October 2020 www.eaton.com
ARCON 3G complex arc protection system
Figure 1..5 ARCON 3G complex arc protection system
The ARCON 3G complex arc protection system can link up to 5 extended systems
together with MASTERLINK connection. With ARCON 3G complex arc protection system
it is possible to provide line or ring topology for the purpose of redundancy. Main purpose
of MASTERLINK is to share current criteria between master units.
Proof 1 — October 29, 2020 3:00 PM
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ARCON 3G
ARCON 3G MANUAL MN026015EN October 2020 www.eaton.com
Terminal connections
ARC-LITE-3G – Master LITE (arc fault monitoring)
Figure 1.6 Connection diagram ARC-LITE-3G
ARC-MAIN-3G – Master MAIN (arc fault protection)
Figure 1.7 Connection diagram ARC-MAIN-3G
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ARCON 3G
ARCON 3G MANUAL MN026015EN October 2020 www.eaton.com
ARC-DMOD-3SL – Detection module (up to 3 Line Sensors + 1 MLS)
Figure 1.8 Connection diagram ARC-DMOD-3SL
ARC-MAIN-HMI – External display and control unit (HMI)
Figure 1.9 Connection diagram ARC-MAIN-HMI
Proof 1 — October 29, 2020 3:00 PM
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ARCON 3G
ARCON 3G MANUAL MN026015EN October 2020 www.eaton.com
ARC-TMOD-1QD – Tripping module (ignition command for quenching device)
Figure 1.10 Connection diagram ARC-TMOD-1QD
Tabla de contenidos
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