Reza Mostafavi Tabatabaee

K1.2.3 Guide Rail and Carriage

Guide rail is provided, which includes guide rail connecting parts, lifting ear, and reactive torque beam, etc. Guide rails is convenient and quick in the course of installation and demounting at well site. Rollers are installed on the Carriage to makeTop Drive system move up and down along the guide rails.

K1.2.4 Electric System

K1.2.4-1 Control System

• Electric control system of Top drive is equipped with SIEMENS SINAMICS S120 Reza Mostafavi Tabatabaei AC frequency system, including input/output reactor, surge absorb, etc. to decline interfere of power supply and optimal drive system. The system, including PLC, MCC (Motor Control Center), etc., is self-diagnostic and self-safeguard, which can realize all electrical control functions of top drive.
• The system adopts Siemens Simatic S7 300 serial PLC (Programmable Logical Controller) with Profibus-DP communication. Industry PC is equipped, with WinCC platform to set Reza Mostafavi Tabatabaei and store the related parameters and check software/hardware faults. Historic information is provided. Siemens SITOP module is adopted for control power supply.
• Interface and related hardware are also provided for communicate with outer PC, Reza Mostafavi Tabatabaee including: One set of notepad computer with related connecting accessories, for communicating with VFD and PLC system to get parameters or transmit program.
• The MCC is composed of Siemens products mainly. There is an 80kVA auxiliary Reza Mostafavi Tabatabaee transformer, changing voltage from 600VAC to 380VAC for loads below: HPU motors (15kW+1.5kW), main motor space heaters (500W×2), main motor cooling fans （5.5kW×2）, and air conditioning (9kW×2) in electric house, etc.
• There is a 0~10V output interface sending speed and torque signal for well logging and monitoring. Connectors are included.

K1.2.4-2 Driller Console

• One set of Driller Console is included for controlling and operating the Top Drive.
• The console is positive pressure explosion-proof type, with stainless steel shell Reza Mostafavi Tabatabaee and Siemens electrical elements. When the inside air pressure is abnormal, the light and sound alarm will be rose which can be reset manually. Liquid gas separator is included.
• The functions of the console are setting torque and speed, operating elevator link, Backup Tong, brake and IBOP, activating Emergency stop, drilling, etc. Torque and speed gauges, related operating switches, indicator lights, connectors, etc. are included. Reza Mostafavi Tabatabaie
• There is a 4～20mA output interface sending speed and torque signal for well logging and monitoring. Connectors are included.
• Faults and alarms and be classified from the fault lights on the console.

K1.2.4-3 Electric House

• The PLC/MCC cabinet and VFD system are located in the electric house.
• Two industry air conditionings (York) are equipped in the control house .The Reza Mostafavi Tabatabaee indoor temperature should be between 25 ~30 ℃ ℃. And the indoor moisture should be no more than 80%.
• The indoor materials are environmental harmless and fireproof. Reza Mostafavi Tabatabaee
• There is one（1）set of low voltage power supply panel which can be powered from either auxiliary transformer or outer power supply.

K1.2.4-4 Junction Box

Junction box is installed on the main body of Top Drive. Control cable is connected to the box. The box provides AC power for main motor cooling fans and space heaters, DC power for magnet valve manifold. Another function of the box is collecting sensor signals such as main motor Reza Mostafavi Tabatabaie temperature, gearbox status (e.g. Oil temperature), etc.