Chapter 2 installation 12 – SATEC C191HM User Manual

Page 21

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background image

Chapter 2 Installation

12

(C)

(B)

K

+

-

K

L

+

-

+

K

L

LOAD

I

I

I

-

L

c99-09040

+

+

+

+

-

-

-

-

LINE 3

LINE 2

LINE 1

V

V

V

V

11

8

5

2

Shorting
Swit ches

Voltage s

1

7

10

12

+

+

9

4

-

6

+

3

-

-

Currents

3

1

2

N


1. Line to neutral voltages: 120V; 208V; 120V.

2. Line to line voltages: 240V; 240V; 240V.

VOLTAGES DISPLAYED:

N

(A)

*

1

L

120V

2

L

*

(C)

120V

20

8V

L

3

*

(B)

Grounded delta connection

N

LINE

LINE

LINE

208VAC

240VAC

240VAC

N

L

3

*

*

*

*

*

*

120VAC

N

L

3

(C)

120VAC

240VAC

2

L

L

1

(A)

2

L (B)

1

L

+

+

-

K

+

K

K

-

L

L

LOAD

-

L

11

c99-09041

8

5

2

1(A)

2(B)

3(C)

V

1

V

2

V

N

V

3

Shorting

Switches

1

7

10

12

+

+

9

4

-

-

6

+

3

-

Currents

Voltages

Figure 2-8 Four Wire Delta Direct Connection Using 3 CTs (3 element)

Wiring Mode = 4LL3 or 4Ln3

Figure 2-7

Four Wire Wye
Connection Using 2
PTs, 3 CTs (2½-
element)

Wiring Mode = 3Ln3
or 3LL3

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