The SIM-Q MKII is particularly suitable for high-end monitoring of AC/DC networks characterised by high leakage capacitance. A low frequency (LF) version of the SIM-Q MKII is available for thruster systems with 5-20Hz frequency variations.
The SIM-Q MKII uses a patented measuring method, where a ±25 V DC voltage is superimposed to the system being monitored. To be able to eliminate the influence from the monitored network capacitances and AC/DC components, the SIM-Q MKII performs an automatic measuring cycle that will compensate for these.
Selectable modes
The ability of the SIM-Q MKII to measure large capacitances results in long measurement cycles due to the charging and discharging of the network leakage capacitance.
To ensure a fast reacting product during fault-finding, the SIM-Q MKII has been equipped with three selectable modes for optimal performance:
- Normal mode (IMD type: AC/DC)
Long measuring cycles and relatively long response time, but immune to disturbances. Depending on the capacitance and DC levels, the response time can be between 10 and 7,000 seconds (2 hours). - Fast mode (IMD type: AC)
Short response time. Used for fault location when several groups have to be switched in/out. The measurement does not compensate for capacitance and DC levels! - Test mode
Used for self-test of warning/relay function and adjustment of set point. When the mode is selected, the relay is activated and the meter shows the actual set point value. Use the knob on the rear side of the housing to adjust set point to desired value, and then select monitoring mode for measuring.
Insulation monitor, AC networks AAL-2
The insulation monitor AAL-2 - the features
The insulation monitor, AAL-2, from DEIF has a high number of features:
- Insulation monitoring of AC networks of up to 440 V AC
- 10 M or 1 M ranges
- Adjustable warning set point
- Delay to prevent unwanted warnings
Multi-functional protection relay MTR-4P
- Up to 1,000 V L-L AC voltage input
- Up to 20 A AC current input
- Accuracy class: 0.5
- Password protection
- Trip time typically below 50 ms
- Two-stage trip setting
- Start-up delay
- 13 different protection functions
- RS-485 serial Modbus communication
- Fast and simple commissioning and setup from M-set
- Universal power supply of 20 to 300 V DC/48 to 276 V AC
- Marine approval by GL/DNV
Multi-function synchroscope CSQ-3
Multi-function synchroscope meter - Features
The multi-function synchroschope meter from DEIF has a long list of features:
- Multi-function precision LED synchroscope
- Easy push-button programming of all set points
- Very high user safety
- High immunity to harmonic distortion
- Dead-bus functionality
- Voltage measurement
- Frequency matching
- Phase angle comparison
- DIN standard size: Q96
Advanced graphical interface AGI 400
- Wide screen format
- True glass front
- Capacitive touch screen
- Multi-touch and Gestures
- Robust aluminium housing
- SD card slot for easy storage and updating
- USB hosts for printers, accessories, data storage and updating
- Dimmable LED backlight
- Web server for remote access from i.e. mobile devices
- 3 Ethernet ports with integrated switch
- Serial communication (RS-232, RS-422 and RS-485)
- Wide range of support for industrial protocols
- OPC UA Server and Client
- JAVA scripting
- CODESYS V3 (optional)
- Powerful ARM Cortex-A9 processor
- Plug-in module for CANbus (CANopen/J1939)
- Wide operating temperature -20°C to +60°C
- Marine certifications
- Certified for hazardous environments
- Available in 7", 10", 15" and 21" sizes