FREQUENCY CONVERTER FOR VENTILATION FAN of FCVF type
Основные технические параметры:
|1||Numberof phases of supply mains||3|
|2||Rated voltage of supply system, V||690|
|3||Supply frequency, Hz||50|
|4||Number of connected Bf, pcs||1 (2)|
|5||Total power of BF engines, KW||50 /75 / 90|
|6||Method of connecting power cables||БРС|
|7||Port capacity RS-485||2|
|8||Communication protocol (field communication)||ModBUS RTU|
|10||Overall dimensions, mm, not more (length, width, depth)||1120 х 1385 х 1000|
|11||Weight in kg, no more than||850|
|12||Marking of explosion protection||РВ Ех d [ia ор is] l|
|13||Protection level of jacket according to GOST 14254, not lower than||IP 54|
|14||Operating ambient air temperature value, C||-10 .. +45|
Frequency converter of ventilation fan of FCVF type is intended for automatic maintenance of specified booster fan (BF) capacity in networks of 690 V with frequency of 50 Hz at coal mining enterprises gas and/or dust hazardous.
The device is made with spark-safe remote control circuits, it has the explosion-proof design and protection marking PB Exd[ia]ia I. The shell structure provides ingress IP54 protection according to GOST 14254-96.
- Operational localand remote control;
- possibility to connect two motors to one converter;
- operating or standby mode of drive operation;
- connection to main optical communication link;
- electrical protections* (27,50, 59, 79, etc.);
- preliminary insulation testing of outgoing lines (BRU mode);
- protection against loss of control;
- control of air leakage from the ventilation pipe;
- control of vibration accelerations of BF motor;
- protection against BF shaft seizure.
- Ambient air temperature -10...+35°C;
- relative air humidity up to 100% at temperature +35°C;
- absence of sharp jerks and shocks;
- dust content in ambient air is not more than 1000 mg/m3;
- working position in space is horizontal, deviation from
- the working position up to 15 degrees in any direction is allowed.
- Average time between failures - not less than 8000 h;
- established resource beforefirst major overhaul - not less than 65000 h;
- average total service life - not less than 15 years;
- mean recovery time - no more than 2 hours.