| minimum supply voltage: | |
| for PТ-EPТ-50S within the range from | 40 to 70 V |
| for PТ-EPТ-75S within the range from | 65 to 100 V |
| output DC voltage from | 50 to 53 V |
| DC voltage output range from | 55 to 65 V |
| alternating potential frequency from | 610 to 640 Hz |
| loading current: output voltage pattern by DC voltage is max 10 A, output voltage pattern by AC voltage | max O,6 A |
| conversion device short-circuits failures self-healing protection functions by output current | min 12 A by DC voltage and min 1 A by AC voltage |
| conversion device short-circuits failures self-healing protection functions by input voltage | for PТ-EPТ-50S min 70 V, for PТ-EPТ-75S min 100 V |
| conversion device input/output circuits insulation strength towards body as well as around each other by normal weather conditions |
min 1000 V |
| size | 385×175×320 mm |
| weight | max 8 kg |
|
conversion device is made in variant U category 2 as per GOST Standard 15150-69 for operating under following weather conditions: |
|
| environment temperatures from | -40 ° С to +50°С |
| humidity, relative from | 45 to 95% at the temperature 25°С |
| atmospheric absolute pressure from | 630 to 800 mm of mercury |
| vibration rate from | 1 to 1000 Hz by speed-up to 10 meter per second squared |
Electro-pneumatic brake regulated transistor converters PТ-EPТ-50S (PТ-EPТ-75S) are installed on railway engines with voltage from 50 V to 75V for Accumulator bench electrical energy conversion into DC voltage for the brakes process working control and alternating potential for signal path integrity checking which controls braking action. The device is a modernized analogy of current transistor converters PT-EPT-50, PT-EPT-50M, PT-EPT-75 and is used as PT-EPT-50, PT-EPT-50M, PT-EPT-75 changing.
Hardware details:
output DC voltage
guard group which avoids output voltage congestions and short-circuit failures (by DC- and AC voltage)
input voltage jump guard (above 70 – 100 V)
automatic repair after debugging which caused alternating potential output protection operation
is totally compatible with the current equipping
Component parts:
electro-pneumatic brake regulated transistor converter PТ-EPТ-50S (PТ-EPТ-75S)
filter group F-PT (optionally)
box wrench (for 17) (optionally)
engineering instruction (1 pcs per 4 devices or less, sent to one receiver)
marking
