6 special device functions – JUMO 709061 TYA 201 - Single-Phase Power Controller Operating Manual User Manual

Page 72

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6 Special device functions

70

2012-12-01/00561071 [SCR Power Controller TYA201]

The specifications in % refer to load current changes

Overcurrent

The specifications in % refer to load current changes

1

50 %

50 %

21%

Example:
2 heating
elements

Number of
heating ele-
ments

Single-phase
operation

Star connection
with separate
star points without
neutral conductor

Star connection with
common star points
without neutral con-
ductor

Delta connection

N

L1

L3

L2

L1

L3

L2

L1

L3

L2

L1

Number of
heating ele-
ments

Single-phase op-
eration

Star connec-
tion without
neutral conduc-
tor

Delta connection

6

10 %

-

-

5

13 %

10 %

-

4

17 %

10 %

10 %

3

25 %

14 %

13 %

2

50 %

25 %

26 %

Example for 2
heating ele-
ments

N

L1

L3

L2

L1

L3

L2

L1

H

As a general rule, load monitoring does not yet take place during the soft start
phase (which can last for longer due to active current limiting) as the standard
operating range of the load has not yet been reached. Teach-in cannot yet be
performed in this phase either.

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