Solutions for Energy technology

Energy technology

You know the situation: complex production systems, high requirements in terms of the quality, delivery time and reliability, permanent cost pressure. This requires more than ever a comprehensive operational readiness in order to be able to maintain and improve the competitiveness at the international level. In practice, however, a comprehensive operational readiness is often given only conditionally, because insulation faults may slowly but progressively occur due to ageing, moisture, pollution, mechanical damage and other factors. Consequences of such undiscovered errors are costly plant shut-downs and operational downtime, repair costs and usually high costs resulting from production downtime. In the worst case these insulation faults are even a frequent cause of fires and personal injuries.

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Voltage and frequency monitor for generator sets on public grid RP 9800

• According to DIN EN 60255-1, DIN EN 60947-1
• Voltage and frequency monitoring for generator sets >30 kVA
on public grid, according to VDEW directive
• RP 9800: 3-phase voltage measurement to neutral
• Disconnection on rise and drop of voltage
• Disconnection on rise and drop of frequency
• Disconnection when 10 minute mean value differs to nominal voltage
(overvoltage)
• Frequency and voltage are indicated by separate output relays
• Permits connection or re-connection after adjustable time delay tw
• Protection against manipulation by sealable transparent cover
over setting switches
• Precise adjustment and indication of setting values according to the
directive
• High measuring accuracy
• Width 70 mm

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Multifunction Measuring Relay MK 9300N

• Multifunction measuring relay acc. to EN 60255-1
• Voltage monitoring (1- and 3-phase)
• Current monitoring
• Frequency monitoring
• Power factor cos phi
• Phase sequence, phase failure, asymmetry
• Effective-, reactive- and apparent power
• Start up delay, on delay
• Adjustable hysteresis 0.2 ... 50 % of response value
• Manual reset
• LCD for indication of the measuring values
• Relay output
MK 9300N: 1 changeover contact
MH 9300: 2 x 1 changeover contacts
• Relay function selectable (energized/de-energized on trip)
• As option with plugable terminal blocks for easy exchange
of devices
- with screw terminals
- or with cage clamp terminals
• MK 9300N: Width 22,5 mm

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Voltage and frequency monitor for generator sets on public grid acc. to VDE-AR-N 4105 RP 9810

• Certificate of conformity (test certificate) of the BG ETEM
acc. to VDE-AR-N 4105
• Following DIN V VDE V 0126-1-1
• Can be used according to EEG 2012 and SysStabV
• Voltage and frequency monitoring for generator sets >30 kVA on
public grid, as option also for ≤ 30kVA
• Fail-safe because of 2-channel structure
• Certificate of conformity (test certificate) of the BG ETEM
• Monitoring of the section switches with measuring of response time
• System test via test button
• Isolated grid detection
• Manual reset
• With additional enabling input, e.g. for ripple control receiver
• Connection or re-connection after adjustable delay time tw
• Factory setting according to VDE-AR-N 4105
• Random controlled disconnection in the range of 50.2 Hz and 51.5 Hz
for non-regulated power generation systems
• Protection against manipulation by sealable transparent cover
over setting switches
• Additional fault signalling relay output
• High measuring accuracy
• Installion type enclosure 4TE (width x height x depth: 70 x 90 x 71 mm)

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Voltage and frequency monitor for generator sets on public grid, international RP 9811

• Certificate of conformity (test certificate) of the BG ETEM
acc. to VDE-AR-N 4105, DIN VDE 0126-1-1, BDEW-directive,
CEI-0-21
• Can be used according to EEG 2012 and SysStabV
• Voltage and frequency monitoring for generator sets
• Fail-safe 2-channel structure
• Monitoring of the section switches by measuring the response time
• System test via test button
• Enabling inputs allow integration into various ripple control and plant
concepts
• Isolated grid detection
• Manual reset
• Memorising of disconnection time
• Connection or re-connection after adjustable delay time tOn
• Factory setting according to:
VDE-AR-N 4105, DIN VDE 0126-1-1, BDEW-directive, CEI 0-21,
ÖVE/ÖNORM, G59/3 LV
• Random controlled disconnection in the range of 50.2 Hz and 51.5 Hz
for non-regulated power generation systems
• Random operated connection time (ton) setting range 60...600 s
• Additional fault signalling relay output
• High measuring accuracy
• Installion type enclosure 4TE (width x height x depth: 70 x 90 x 71 mm)

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Residual current monitor, Type B RN 5883

• According to IEC/EN 62 020, VDE 0663
• For AC and DC systems Type B, according to IEC/TR 60755
• To detect earth faults in grounded voltage systems
• 4 setting ranges from 10 mA to 3 A
• Manual reset, with alarm and pre-warning
• With adjustable switching delay
• Energized or de-energized on trip
• LED indicator for operation, pre-alarm and alarm
• With test function
• LED-chain indicates fault current
• As option with analogue output
• Broken wire detection
• Protection against manipulation by sealable transparent cover
over setting switches
• Width: 52.5 mm

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Phase monitor with detection of under-/overvoltages, unbalance, phase failure, phase sequence IL 9087

• According to IEC/EN 60 255, VDE 0435, DIN VDE 0660 part 302
(pr EN 60 947-8) and part 303
• Monitoring of phase failure
- Undervoltage 3-phase 3 or 4 wire
- Phase failure
- Phase sequence
- Loss of neutral
- Phase asymmetry
• Without auxiliary supply
• De-energized on trip
• LED indication
- Supply voltage
- Phase failure
• 1 or 2 changeover contacts
• Depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
• Width 35 mm

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Over-/undervoltage relay, optionally with unbalance and phase-sequence detection IL 9077

• According to IEC/EN 60 255, DIN VDE 0435-303
• Identification of overvoltage, undervoltage and phase failure
• With asymmetry identification as an option
• Mains fault diagnostics with a number of LEDs
• Setting values for overvoltage and undervoltage can be set
separately
• Large Setting Ranges 0.9 ... 1.3 UN and 0.7 ... 1.1 UN
• Time delay variable between 0.1 ... 20 s
• Closed circuit operation
• No auxiliary voltage
• Independant of phase sequence
• As option with phase sequence detection
• Single-phase connection possible
• Optionally for 3P3W Systems
• 2 changeover contacts, at IP/SP 9077 2 x 2 changeover contacts
• Devices available in 2 enclosure versions:
I-model: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
S-model: depth 98 mm, with terminals at the top for cabinets
with mounting plate and cable duct
• IL 9077, SL 9077: width 35 mm

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Undervoltage Relay IL 9171

• According to IEC/EN 60 255, DIN VDE 0435-303
• Monitoring of undervoltage in 3-phase system
• Also for single phase
• Without auxiliary supply
• Optionally for 3p3w systems
• LED indicator for state of output relay
• Independent of phase sequence
• 1 or 2 changeover contacts
• Optionally fixed or settable response value
• As option with phase sequence detection
• Optionally with or without N
• Optionally with off-delay t1
• Opionally with on delay t2
• Devices available in 2 enclosure versions:
I-model: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
S-model: depth 98 mm, with terminals at the top for cabinets
with mounting plate and cable duct
• Width:
IK 9171, SK 9171: 17.5 mm
IL 9171, SL 9171: 35 mm

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