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GARD-1000-V2.2
ALENCON GARD-1000-V2.2 Manuals
Manuals and User Guides for ALENCON GARD-1000-V2.2. We have
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ALENCON GARD-1000-V2.2 manual available for free PDF download: Installation, Operation And Maintenance Manual
ALENCON GARD-1000-V2.2 Installation, Operation And Maintenance Manual (28 pages)
GROUND AND ARC RAPID DISCONNECT A unique device for detecting ground and arc faults in PV arrays and rapidly disconnecting the impacted PV strings
Brand:
ALENCON
| Category:
Industrial Equipment
| Size: 1 MB
Table of Contents
Table of Contents
3
General Information
5
Purpose
5
Glossary
5
Product Warranty
6
Technical Support and Assistance
7
Warnings, Cautions and Notes
7
Packing List
8
Ordering Information
8
Figure 1: the Gard Unit
8
Important Safety Instructions
9
Figure 2: the Graphic above Indicates that the Gard Is a Grounding Conductor
9
Figure 3: the Graphic above Indicates that the Gard Acts as a Direct Current Supply
9
Introduction
11
PV Safety
11
Grounding
11
Figure 4: Grounding Schemes
11
Arc Faults
12
Serial Arcing
12
Parallel Arcing
12
Figure 5: Arcing
12
Detect and Isolate Ground and Arc Faults in Your PV Array
13
The Ground & Arc Rapid Disconnect Unit (GARD)
13
Unique Features & Benefits of the Alencon GARD
13
GARD Specifications
14
GARD Functionality and Operation
15
Functionality
15
Instructions When Ground Fault Is Detected
15
Instructions When ARC Fault Is Detected
16
Principle of Operation
16
Figure 6: Afd Pcb
17
Figure 7: System Noise Signature During an Arc Event
18
GARD Hardware
19
Firmware
20
GARD State Machine
20
Figure 9: Glid/Afd State Machine
21
Communication
22
GARD Installation
22
Understanding GARD Hardware
22
Figure 10: Emergency Switch
22
Figure 11: Reset Switch
22
Communication Ports
23
Figure 12: Gard Bottom View
23
GARD Mounting
24
Figure 13: Remote E-Stop
24
Cable Terminations
25
Figure 14: Gard Prior to Mounting on the Unistrut
25
Gard + Spot
26
Figure 15: Amphenol Terminations on Gard
26
External Fusing and Disconnects
27
Figure 16: Gard to Spot Connector
27
Interfacing with the GARD
28
Unit Power
28
Control System
28
Further Information
28
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