Home Mail Site Map

English

Russian

70 Permskaya street, Suite 403,
Perm, Russia, 614000
Phone :+7-(342) 212-23-18
Ph/Fax:+7-(342) 212-84-74
E-mail : dimrus@dimrus.com

View office location map Office location map

Product line of Dimrus company

Monitoring and diagnostics of high-voltage transformers

Our diagnostic systems and device which our firm has developed, show, how much seriously we concern monitoring and diagnostics of a technical condition of transtormers-integrating elements of distribution system of electric energy

Device Monitored subsystems Design features and algorithms of the monitoring system.
Application field
HV Bushings
PD in insulation
OLTC
Cooling system
Tank vibration
Acoustic location
Current, Voltage
TDM + + + + + + +
  • Modular system that implements a complete set of diagnostic functions
  • Used to monitor the most expensive and important transformers
TDM-3F + + +       +
  • Measurement of partial discharge is performed in the UHF frequencies
  • Used for monitoring transformers with working voltage of 220÷500 kV
TDM-M + +   + +   +
  • The simplest monitoring system that allows you to control the main parameters
  • Used to monitor the 110 kV transformers
R-1500 +            
  • The system diagnostic monitoring the technical condition of the three bushings of the power transformer by the conduction currents
CT-Relay + +          
  • System monitoring and diagnostics of high-voltage insulation measuring current transformers
KIV-500/110 +            
  • The diagnostic monitoring system the technical condition of power transformer bushings, protection relay
UP-500 +            
  • Set of 3 sensors for mounting on the test taps of HV bushings
  • It is used for periodic on-line measurements on transformers 110 kV
TDM-TS       +      
  • Intelligent cooling control for transformers 220÷500 kV
  • Condition monitoring and diagnostics of defects of oil pumps and cooling fans
TDM-TR       +      
  • Device for intelligent control cooling fans 110 kV power transformers

Monitoring and diagnostics of electical machines

Practically 100% of electric energy is developed by generators of various type, and high-voltage engines are central elements most of the large companies. There are monitoring systems and portable diagnostic devices in our production program

Device Design features and algorithms of the monitoring system.
Application field
MDR-3/UHF
  • Register partial discharge produced in the HF - UHF frequency range using electromagnetic antennas
  • Is used to monitor a large motors and power generators
MDR-3/HF
  • Register partial discharges in the HF frequency range using coupling capacitors or the coil temperature sensors
  • Is used to monitor the medium electric motors and generators
FDM
  • Monitoring of the technical condition of AC motors according to the current spectrum
  • Don't have wires and the power supplies

Diagnostic systems and devices for monitoring high voltage cables and GIS

The long length of cable lines and the rapid growth in the number of high-voltage cable lines increased requirements for diagnostics. In a production program of our company has systems and equipment condition monitoring of such equipment

Device Monitored objects Design features and algorithms of the monitoring system.
Application field
Cables and joints by PD
State of joints by PD
Temperature profile
Currents in the cable shield
Location of defect's places
KMK-500 + + + + +
  • Complex system with a maximum range of diagnostic functions
  • Used to monitor the most expensive and important cable lines
CDR + +   + +
  • Universal device for PD registration in HF and UHF frequency bands
  • Used to monitor PD in the cable lines of 110 kV and above
ASTRO     +    
  • A fiber optic system of longitudinal control of the temperature profile of the cable line
  • It is used for high voltage cable lines
CDM +     + +
  • Multichannel (up to 45), the system of PD registration
  • Is used to control distributed cable networks 6÷10 kV
ADM   +      
  • The control system of partial discharges using acoustic sensors
  • It is used for the control of cables terminations and joints
GIS-DM +       +
  • Universal device PD registration in HF and UHF frequency bands
  • Is used for monitoring the state of the GIS
DKL-3 +        
  • Set of 3 partial discharge sensors for mounting on cable terminations and joints
  • Used for online measurement of partial discharges in cable lines

Monitoring and diagnostics of air power lines

Instruments for monitoring of air lines, with the possibility of mounting on the wires and on the ground

Device Monitored parameters Design features and algorithms of the monitoring system.
Application field
Icing on cables
Cables temperature
Hanging wire insulation
Overvoltage pulses
Location of defect's places
Sag and dance of wires
DiLin + + + + + +
  • Primary sensors are mounted on air cables
  • Used for monitoring long and branched cable lines

Diagnostics of breakers and connected cable lines

Reliability of high voltage circuit breakers and switchgear 6÷10 kV is the quality of electricity supply to consumers. For the diagnosis of such equipment we produce various diagnostic systems

Device Monitored parameters Design features and algorithms of the monitoring system.
Application field
Insulation monitoring by PD
Location of defect's places
Parameters of the breakers
IDR-10 +    
  • As PD sensors uses the standard support insulators with coupling capacitors
  • Applied for registration of partial discharges on the switchgear buses

Portable diagnostic devices for registration partial discharges in high-voltage insulation

In the production of instruments for monitoring partial discharges in high-voltage insulation, we are the market leader in Russia. Many of our devices have no analogues in the world market of diagnostic instruments

Device Equipment for measuring Frequency band Additional features of the device
Transf.
Machines
Cables
GIS
Air cables
Acoustic
HF
UHF
Devices PD registration in RF and UHF frequency bands
PD-Analyzer-3 +++ +++ +++ +++     + +  
PD-Analyzer HF/UHF +++ +++ +++ +++     + +  
R2200 +++ +++ +++ + +   +    
CDM-15/P + + +++ +     +    
VMD-10 +++ +++ +++       + + 6-channels vectors measuring
Devices PD registration using acoustic sensors
AR700 +++     +++   +      
Universal devices for registration of partial discharges
Dim-Loc ++   +++ +++ ++ + + +  
3i     ++ +++ ++ +   +  
PD-Unit +++   +++ +++ ++ + + + Android App

Portable devices and equipment for diagnosis and testing of high voltage equipment

Devices for testing, diagnosis and measurement of various parameters of the high voltage equipment

Device Testing method Equipment
CPDA-15, 30, 60
  • Diagnosis of cable lines and joints by partial discharges using DAC voltage
Cable lines 6÷35 kV
AC-Tester
  • Diagnosis of insulation by return voltage method
  • Diagnosis of insulation by relaxation currents method
Insulation of various high-voltage equipment
VMD-10
  • Measurement of dissipation factor («tg d») insulation in three phases
  • Measurement of partial discharges in high voltage insulation
  • Measurement of single-phase and three-phase currents, voltage and power
Insulation of various voltage equipment
FreDA
  • Monitoring deformation of transformer windings by SFRA method
Power transformers, high voltage insulation
Ganimed
  • Monitoring of standard parameters power transformer's OLTC
  • Diagnostics of the OLTC contacts without disassembly by DRM method
OLTC of power transformers
Vesta
  • Measurement of pressing core and windings quality of power transformers by vibration of the tank
  • Diagnosis of oil pumps cooling system of power transformers
Power transformers