PINGE JA SAGEDUS MONITOR BENDER VMD423-D-2

  • Eseme ID: 119332581
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PINGE JA SAGEDUS MONITOR BENDER VMD423-D-2

Eseme ID: 119332581 Seisukord: uus
Oksjon on lõppenud
Oksjon on lõppenud
Lõpphind: 35.00 EUR
Pikenev lõpp: 5 minutit
Algusaeg: R 15.02.2019 00:09:25
Lõpuaeg: R 15.03.2019 00:17:22
Vaadatud: 255
Viimati pakkus: Markii7
Võru, Võrumaa, Eesti
1
REKLAAM
Seisukord: uus
Asukoht: Võru, Võrumaa, Eesti
Kogus: 1
Transport:
SmartPOST: al. 1.99 EUR (XS)
Omniva: al. 2.58 EUR (XS)
Järeletulemisega
Maksmine: pangaülekandega, sularahas, deposiidikandega, Osta.ee e-konto ülekandega
Müüja: Kaablikutt598.1% / 180 / Vaata müüja teisi esemeid

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LINETRAXX® VMD423/VMD423H

 

According to DIN V VDE V 0126-1-1, the voltage and frequency shall be monitored when feeding power into the public low voltage grid from private electricity generation systems > 30 kW (such as CHPs, wind power stations, hydroelectric power plants and photovoltaic systems).

The three-phase VMD423 series voltage and frequency monitors monitor the voltage and frequency at the feeding point of the public grid. At the feeding point of the medium voltage grid, the output voltages and frequencies are measured by means of voltage transformers (100 V). An alarm relay is activated within ≤ 80 ms when limit values are reached (response values according to VDEW guideline “Private electricity generation systems at the medium voltage grid”). An overvoltage (> U2), measured as average value over a 10-minute period, will cause the alarm relay to switch.

The voltages are measured as r.m.s. values. In addition asymmetry, phase failure and phase sequence are monitored. 

The VMD423 is suitable for multifunctional monitoring tasks and can be adapted to the requirements of the electricity supply companies.

The currently measured values are continuously shown on the LC display. The measured value causing the alarm relay to switch is saved. Due to adjustable start-up delay and delay on release, the network operator's specific requirements can be considered such as device-specific start-up procedures, short-time voltage fluctuations etc.

The VMD423 series requires a separate supply voltage, whereas the VMD423H version draws its supplies from the system.



VMD423 with separate supply voltage
VMD423H is supplied by the system being monitored
Undervoltage, overvoltage and under­frequency and overfrequency monitoring in 3(N)AC systems
AC 0…500 V
Monitoring of overvoltage by average determination of the latest 10-minute measuring interval
Asymmetry, phase failure and phase sequence monitoring
Start-up delay, response delay and delay on release
Adjustable switching hysteresis
r.m.s. value measurement (AC+DC)
Digital measured value display via multi-functional LC display
LEDs: Power On, Alarm 1, Alarm 2
Measured value memory for operating value
Continuous self monitoring
Internal test/reset button
Two separate alarm relays (one changeover contact each)
N/C or N/O operation and fault memory behaviour selectable
Password protection for device settings
Sealable transparent cover
Push-wire terminal (two terminals per connection)
Two-module enclosure (36 mm)
RoHS compliant

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