Patent TW-201034948-A (TW)
Title: Apparatus for striking and operating silicon sticks
Inventor: WALLMEIER PETER
IPC: H02M5/25
Filed: 2010-03-10
Abstract: A circuit apparatus (A) is particularly applied in a reactor that is made of multiple four silicon sticks composed of silicon thin sticks based upon Siemens process to strike four silicon thin sticks (81)-(84) and to operate the reactor. The circuit apparatus has: a first terminal, a second terminal and a third terminal, so as to connect a three-phase voltage supply network; two external terminals (Z1), (Z6) and at least three inner terminals (Z2) (Z3)//(Z4)(Z5), so as to connect the silicon thin sticks (81)-(84); two external voltage transformers (T1) (T4) and two inner voltage transformers (T2) (T3), wherein they respectively have a primary winding set and a secondary winding set; two external power regulators (A100)(A400), wherein they are applied and designed to control the electric current flowing through the primary winding set of the external voltage transformers; two inner power regulators (A200)(A300), wherein they are applied and designed to control the electric current flowing through the primary winding set of the inner voltage transformers; one or several control means for controlling the power regulators (A100)(A200)(A300)(A400), wherein the primary winding sets of the external voltage transformers (T1)(T4) are connected in parallel, and one end of the parallel connected circuit is connected to the first terminal (L1) while another end is connected to the third terminal (L3), so as to connect the three-phase voltage supply network, and wherein the primary winding sets of the inner voltage transformers (T2)(T3) are connected in parallel, and one end of the parallel connected circuit is connected to the second terminal (L2) while another end is connected to the third terminal (L3), so as to connect the three-phase voltage supply network, wherein a first ramification (T1.2.1) of the secondary winding set of a first voltage transformer (T1) of the two external voltage transformers (T1)(T4) is connected to the first external terminal (Z1) of the two external terminals, and a second ramification (T1.2.2) of the secondary winding set of the first external voltage transformer (T1) is connected to a first ramification (T2.2.1) of the secondary winding set of the first inner voltage transformer (T2) of the two inner voltage transformers (T2)(T3) and connected to a first inner terminal (Z2) of the three inner terminals (Z2)(Z3/4)(Z5), and a second ramification (T2.2.2) of the secondary winding set of the first inner voltage transformer (T2) is connected to a first ramification (T3.2.1) of the secondary winding set of a second inner voltage transformer (T3) of the two inner voltage transformers (T2)(T3) and connected to a second inner terminal (Z3/4) of the three inner terminals (Z2)(Z3/4)(Z5), and a second ramification (T3.2.2) of the secondary winding set of the second inner voltage transformer (T3) is connected to a first ramification (T4.2.1) of the secondary winding set of a second external voltage transformer (T4) of the two external voltage transformers (T1)(T4) and connected to a third terminal (Z5) of the three inner terminals (Z2)(Z3/4)(Z5), wherein a second ramification (T4.2.2) of the secondary winding set of the second external voltage transformer (T4) is connected to a second terminal (Z6) of the two external terminals (Z1)(Z6), and the two external terminals (Z1)(Z6) can be connected to each other and grounded through switching means (31)(32).