JPS59155802U - Protection device for dynamic braking equipment - Google Patents
Protection device for dynamic braking equipmentInfo
- Publication number
- JPS59155802U JPS59155802U JP4904283U JP4904283U JPS59155802U JP S59155802 U JPS59155802 U JP S59155802U JP 4904283 U JP4904283 U JP 4904283U JP 4904283 U JP4904283 U JP 4904283U JP S59155802 U JPS59155802 U JP S59155802U
- Authority
- JP
- Japan
- Prior art keywords
- comparator
- resistor
- current
- dynamic braking
- protection device
- 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
- Stopping Of Electric Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来技術による発電制動装置用保護装置を示す
ブロック図、そして、第２図はこの考案による発電制動
装置用保護装置を示すブロック図である。
図中、１は主電動機、２はしゃ断器、３は抵抗器、４は
変流器、５はゲート制御装置、６は界磁、７は界磁チョ
ッパ装置、８はフリーホイール・ダイオード、９は電源
、１０は送風機、１１は温度センサ、そして１２は比較
器である。尚、図中、同一符号は同一、又は相当部分を
示す。FIG. 1 is a block diagram showing a protection device for a dynamic braking device according to the prior art, and FIG. 2 is a block diagram showing a protection device for a dynamic braking device according to this invention. In the figure, 1 is a main motor, 2 is a breaker, 3 is a resistor, 4 is a current transformer, 5 is a gate control device, 6 is a field, 7 is a field chopper device, 8 is a freewheel diode, 9 is a power supply, 10 is a blower, 11 is a temperature sensor, and 12 is a comparator. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
空冷するための送風機と、排風温度を検出するための温
度センサと、この温度センサにより検出された温度を予
じめ設定された限界値と比較するための比較器と、前記
主電動機の界磁電流を制御するための界磁チョッパ装置
と、この界磁チョッパ装置を制御するためのゲート制御
装置、および前記抵抗器に流れる電流を検出する変流器
とを備え、前記比較器および変流器の出力は共に前記ゲ
ート制御装置に加えられるようにしてなる発電制動装置
用保護装置。A resistor for passing the generated current of the main motor, a blower for forced air cooling of this resistor, a temperature sensor for detecting the exhaust air temperature, and a preset temperature sensor for detecting the temperature detected by this temperature sensor. a comparator for comparison with a limit value, a field chopper device for controlling the field current of the main motor, a gate control device for controlling the field chopper device, and a current flowing through the resistor. A protection device for a dynamic braking device, comprising: a current transformer that detects the comparator and the current transformer, and outputs of the comparator and the current transformer are both applied to the gate control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4904283U JPS59155802U (en) | 1983-03-31 | 1983-03-31 | Protection device for dynamic braking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4904283U JPS59155802U (en) | 1983-03-31 | 1983-03-31 | Protection device for dynamic braking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59155802U true JPS59155802U (en) | 1984-10-19 |
Family
ID=30179557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4904283U Pending JPS59155802U (en) | 1983-03-31 | 1983-03-31 | Protection device for dynamic braking equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59155802U (en) |
-
1983
- 1983-03-31 JP JP4904283U patent/JPS59155802U/en active Pending
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