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Mains load optimization (option) is possible in multiple controller applications. The application of
mains load optimization offers substantial advantages: reduction of mains load peaks and mains
reactions, smaller sizes (for instance for the transformer, feed and other installations) and associated
smaller operating and investment cost. Mains load optimization is possible in a dynamic (ASM
process) and a static (SYT-9 process) mode. Both modes may also be used in combination with the
Thyristor Power Controller Thyro-M.
6.1 SYT-9 PROCEDURE
A process for static mains load optimization: minimizes mains load peaks and associated mains
reaction shares. For the SYT-9 process, set points and load changes are not automatically included
in mains load optimization.
The SYT-9 process requires an additional component. For Thyro-P, it should only be employed in
connection with already installed controllers (Thyro-M, Thyrotakt MTL) under SYT-9 process.
Then, the pulse of the SYT card must be connected to the terminal X5.1:18 and ground to X5.1:14.
On the Thyro-P Power Controller, the jumper X201 (behind X5) must be pulled off. For this purpose,
the texts BAL 00180 and operating instructions SYT-9 must be observed as described under Thyro-M.
THYRO-P SYT9 NO. 1 THYRO-P SYT9 NO. 1
NO. NO.
1 X5.2.5 - A10 1 X5.2.18 - C10
2 - A12 2 - C12
3 - A14 3 - C14
4 - A16 4 - C16
5 - A18 5 - C18
6 - A20 6 - C20
7 - A22 7 - C22
8 - A24 8 - C24
9 - A26 9 - C26
Connection of up to 9 Thyro-P at one SYT9-Module
6.2 SOFTWARE SYNCHRONIZATION
By means of different settings in the storage location SYNC_Adresse, a different startup of the
individual Power Controllers (counter x 10ms) may be achieved. The counter is set to 0 after
switching on the mains or RESET. While the counter is running, the Power Controller is switched
passive, as during controller lock.
It is possible to enter values in SYNC_Adresse larger than the clock time T0. Then, startup of the
Power Controller is only during the next clock time. For instance, in an emergency power plant,
slow switching of the total load is possible. The max. delay is 65535 x 10ms. This value also forms
the base setting for the ASM process.
6.3 ASM PROCEDURE (PATENTED)
In systems, in which several equal Power Controllers are operated in the operating mode TAKT, the
ASM process may be sensibly used for dynamic and automatic mains load optimization in multiple
Power Controller applications. This patented world premiere independently minimizes mains load
peaks and therefore mains reaction shares during the current process. In case of the ASM process
(automated synchronization of multiple controller applications), changes in set point and load (for
instance due to temperature-dependent load) are included in mains load optimization online. Espe-
cially when using heating elements with a large aging effect, which during new operation have high
current amplitudes with short startup time, lower investment cost may be achieved. For the ASM
6. MAINS LOAD OPTIMIZATION