VFD Power Houses for Land Drilling Rigs
Specialized control system for reliability
Multidrives for multimotor control
The all-compatible multidrives come with various types of supply units, including diode supply units and regenerative supply units, and are available as both air and liquid cooled versions. A single supply and DC bus arrangement with several inverters can reduce line power and system size. They utilize premium control of virtually any type of AC motor, including induction and permanent magnet motors.
Customized designed control system
Each VFD Power House has a customized design and assembly to meet customer requirements. Working with our customers, the DCUS team designs power houses with optimal plug panel placement and transportation characteristics (top lift, skidded, roller bars) to effectively align with the drilling contractor's rig site layout and transportation methodology.
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Specifications
Land oil drilling HP range From 700HP to 3000HP 
Air-cooled VFDPower supply: 3 phase 600 V AC to 690 V AC, 50/60Hz 

Single supply and DC common bus bars arrangement with several inverters

Supply unit: 6/12/18/24 pulse diode rectifier or AFE rectifier 

Inverter power range is from 315kW to 3200kW 

IP22 enclosure class 

Close loop vector control or Direct Torque Control (DTC) 

Integrated safety including STO as standard 

Intuitive control panel with USB port 

EMC filter, choke and brake chopper 

Supports a wide range of fieldbus protocols 

Flexible I/O and encoder options 
600/690V Generator control unis and switchgeaDCUS generator control units are a proven and widely used mature products in various types of land oil drilling rigs 
Motor Control Center ( MCC )400 V AC system 
PLC control system Siemens SIMATIC S7-1500,built-in land drilling control program 
HAVC system Redundant design


Hotline
+86-22-27606488
Address
No.15-1, Ligang Park, Shuanggang Industry Zone, Jinnan District, Tianjin
E-mail
zhangyu@dcus.cn guoliwei@dcus.cn
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