JPS5595124A - Power controller - Google Patents
Power controllerInfo
- Publication number
- JPS5595124A JPS5595124A JP73279A JP73279A JPS5595124A JP S5595124 A JPS5595124 A JP S5595124A JP 73279 A JP73279 A JP 73279A JP 73279 A JP73279 A JP 73279A JP S5595124 A JPS5595124 A JP S5595124A
- Authority
- JP
- Japan
- Prior art keywords
- current
- reverse
- parallel thyristors
- gate phase
- series
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Control Of Electrical Variables (AREA)
- Power Conversion In General (AREA)
Abstract
PURPOSE: To make it possible to exercise control over the voltage and current of load capacity nearly 31/2 times, by inserting switching elements such as reverse- parallel thyristors and triacs in series among primary-side or secondary-side terminals of a ΔΔ connection transformer.
CONSTITUTION: Respective reverse-parallel thyristors 3a, 3b and 3c are controlled in the same gate phase with a phase difference of 120 degrees by a gate phase control circuit. On the secondary side of ΔΔ connection transformer 2, reverse-parallel thyristors 3a, 3b and 3c are connected in series in a triangle. The secondary current of transformer 2, i.e. a thyristor current waveform includes a higher harmonic, and consequently although it becomes greater than 1/31/2 as much as a line current, current ratio K to various gate phase angles (α) is within the range of 1/21/2≤K≤ 1/31/2. Therefore, the load capacity of nearly 31/2 times can be controlled by an identically-rated element.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP73279A JPS5595124A (en) | 1979-01-10 | 1979-01-10 | Power controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP73279A JPS5595124A (en) | 1979-01-10 | 1979-01-10 | Power controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5595124A true JPS5595124A (en) | 1980-07-19 |
Family
ID=11481896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP73279A Pending JPS5595124A (en) | 1979-01-10 | 1979-01-10 | Power controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5595124A (en) |
-
1979
- 1979-01-10 JP JP73279A patent/JPS5595124A/en active Pending
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