Electric control system of ZJ70D rigs
Promulgator
：admin Time：2016-05-17
The system equipped with Gem-shaped walls and folding-type cable trough were adopted in control room, which enhance the overall strength and beauty of the housing body.
System Features:
> Rigorous electrical calculations ensure that the system perfectly meet the technical requirements and take the design of electromagnetic compatibility.
> Full digital control system, fault database redundancy self-diagnosis
> Global standard design, easy maintenance for users
> Full redundant design,emergency system fully functional operating
> First collaboration with foreign OEMs, good communication & standardized design allows equipment to achieve seamless connection
Power system
The system select the EasyGen3200 controller, which can realize the functions of single or multi-unit operation, automatic synchronization, power equalization. The digital speed and pressure regulator have the features of high precision adjustment, fast response, simple operation, high stability of the system.
PMS Power Management System
DCS, industrial networks and payload calculations
Main PLC can achieve the best restraint ring of load
Power system load management
Control the optimal power stage of diesel generator sets, effective control of the unit running at 30% -80% load segment
More limited automatic load shedding function to prevent the unit overload shutdown
Flexible DW load control, seeking the best load and speed to achieve the most economical diesel engine running
DC drive system
Full digital control, Profibus communication, Dual redundant communication.
Switching System
> Switching motors driven by SCR through contactor to meet demand for a variety of conditions.
> Reliable multi-redundant switching modes, a variety of assigned mode.
Intelligent MCC
> The modulized MCC unit can be easily operated.
> High protection performance, high breaking capacity, good dynamic stability, easy installation and maintenance.
Redundant fault self-diagnosis
Once had a failure, the system can quickly diagnose the fault point. Improve efficiency of maintenance and repair.
Driller's cabin
Constitution
> Stainless steel housing body that suitable for desert, land, marine environment
> Equipped with integrated seat
> Integrated instrumentation system
> HMI unit
> Explosion-proof electric control box
> Industrial TV monitoring system
> Intercom system
> Interface unit of electricity, gas and liquid
> Equipped with intelligent fire extinguishing system
Features
> With all functions of drilling operation and alarm display
> Friendly human-machine interface
> Highly automated monitoring system
> To display the parameters directly, completely
