Purpose

Control, monitoring of parameters and protection of submersible permanent magnet and induction motors with power ranging from 5 to 400 kW, with smooth acceleration and deceleration and speed control.

Functions 

• manual or automatic control
• motor smooth acceleration and deceleration, motor speed control
• continuous control of electric mains parameters, current values in three phases and isolation resistance of the “pump transformer — power cable — motor” link
• calculation of voltages and currents imbalance, power factor, load factor, power consumption
• protection of equipment from emergency caused by failures in the electric mains and ESP
• automatic reclosure when parameters return to the operating range
• registration of monitored parameters and reasons for shutdown in real time with saving records in case of power failure
• automatic maintenance of reservoir fluid pressure at a specified level
• automatic variation of sustained operating point to ensure production at the level close to well capacity
• minimization of motor's emergency shutdowns due to reliable predicting and automatic response to all potential malfunctions in a well or aboveground equipment
• automatic switch between intermittent and continuous modes under respective conditions

 The drive provides connectivity to the following equipment: 

• remote control systems (normally closed and normally open contacts)
• the SCADA-system by means of the RS-232 or RS-485 interface via the Modbus-RTU exchange protocol
• GPRS modem with the ability to upload information to the Internet

 Options

• integration of an input filter or an active front end to ensure the input voltage and current waveform distortion factor to be not more than 5% in accordance with IEEE-519-2014
• automatic switching of the motor operation from the frequency converter to the power supply network and back without shutting down the ESP (possible integration of the shunt (bypass) to ensure installations wedging and electricity saving when operating within a frequency equal to that of the supply voltage)
• maintaining the performance of the ESP when power fails to 0 V for 100 ms
• 12 or 18-pulse rectification circuit to reduce the input current harmonics

Advantages

• ЕАС and СE certified
• compatibility with various types of permanent magnet and induction motors
• versatile compatibility with surface readout systems
• low cost increase relative to basic induction motor drives
• adaptive control algorithms
• output voltage waveform distortion factor in asynchronous mode is not more than 5% due-to built-in sine filter
• settings control modes changing is available on the drive controller
• maintaining the efficiency of the permanent magnet motor
• compatible with cavity pumps
• compatible with downhole monitoring (thermo-manometric) systems produced by various manufacturers
• compatible with geophysical systems, including during dual completion of wells
• service modes: wedging, gas bleeding, shaking, jolting, proportional-integral control, voltage optimization
• ability to save history to a USB-drive
• software update without shutting down the motor
• highly informative liquid-crystal display
• compliance with the requirements of oil companies and GOST R 51321.1
• ability to include in the drive a set of electricity metering devices included in the State Register of Measuring Instruments

Built-in sine filter provides output voltage of the control station with the waveform distortion factor not more than 5%

Reference code of IRZ-500 series drives 

Modifications for induction motors

Modifications for induction and permanent magnet motors

Modifications for permanent magnet motors

* — Drives with a built-in output isolation transformer, for control and monitoring the installation of an electrodiaphragm pump
** — Drive with an active front end

Technical characteristics

Parameter	Value
Supply voltage	190—520, 330—560  V*
Power of the connected motor	5—400 kW
Range of motor rotation frequency control:
— induction	0,5—100 Hz
— permanent magnet	15—550 Hz
Monitoring of the motor operating current	0—2000 A
Control of insulation resistance of the “Pump transformer – cable – motor” link	0—10000 kOhm
Control of turbine rotation frequency	1—50 Hz
Error of monitored current, voltage, rotation frequency, time settings	2 %
Error of insulation resistance control	5 %
Operating temperature	-60…+50  °С
Enclosure protection class	IP43 (or IP54)

* — options for export

Catalogues and documents

Catalogue of equipment for oil & gas industry

Manufacturer: ООО “IRZ TEK”

About Manufacturer

Phone: +7 3412 501 501
Email: sales@irz.ru