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3 HARDWARE DESCRIPTION
3.2 INSTALLATION
Immediately upon receipt, the equipment should be unpacked and examined for any damage sustained in transit. If dam-
age resulting from rough handling is evident, file a damage claim at once with the transportation company and promptly
notify the nearest GE Sales Office.
If the equipment is not to be installed immediately, it should be stored indoors in a location that is dry and protected from
dust, metallic chips, and severe atmospheric conditions.
The ALPS should be installed in a clean and dry location, free from dust and excessive vibration, and well lighted to facili-
tate inspection and testing.
The ALPS case has been designed for standard rack mounting. The case is three Rack Units (3 RU) high. Figure 3–1:
DIMENSIONS on page 3–1 shows the outline and mounting dimensions.
External connections are made according to the elementary diagrams indicated below:
•
Figure 1–27: ELEMENTARY DIAGRAM WITH DEFAULT I/O (SINGLE PHASE TRIPPING) on page 1–49
•
Figure 1–28: ELEMENTARY DIAGRAM WITH DEFAULT I/O (THREE PHASE TRIPPING) on page 1–50
•
Figure 1–29: ELEMENTARY DIAGRAM (SINGLE PHASE TRIPPING) on page 1–51
•
Figure 1–30: ELEMENTARY DIAGRAM (THREE PHASE TRIPPING) on page 1–52
These are default diagram incorporating all of the available options. Since the relay is programmable, some outputs and
inputs may need to be re-programmed. Refer to Chapter 2: CALCULATION OF SETTINGS for more details.
ALPS Terminals A2 (case ground) and A18 (surge ground) must be tied together, with terminal A18 tied to station
ground, as shown in the elementary diagrams, Figures 1–27: ELEMENTARY DIAGRAM WITH DEFAULT I/O (SIN-
CAUTION
GLE PHASE TRIPPING) to 1–30: ELEMENTARY DIAGRAM (THREE PHASE TRIPPING) on pages 1–49 to 1–52.
The connection to the ground bus must be made as short as possible, using #12 wire or larger.
GE Power Management
ALPS Advanced Line Protection System
3.2 INSTALLATION
3.2.1 RECEIVING, HANDLING, AND STORAGE
3.2.2 ENVIRONMENT
3.2.4 EXTERNAL CONNECTIONS
3.2.5 SURGE GROUND CONNECTIONS
3
3.2.3 MOUNTING
3-5
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