Voltage- and Frequency-Relay type SPI1021

Bild 1 Spannungs- und Frequenzrelais Typ SPI1021

Bild 2 Spannungs- und Frequenzrelais Typ SPI1021

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Article number: S222300

Manufacturer: ZIEHL

Grid- and Plant Protection According to CEI 0-21 (Italy) and DEWA-standard (Dubai) (DRRG), with integrated Vector-Shift Relay.

The SPI1021 monitors voltage and frequency in plants for own generation of electricity. It fulfills the requirements of CEI 0-21 (Italy) and DEWA-standard (Dubai) Interface Protection (IP) according to DEWA Distributed Rrnewable Resources Generation programme (DRRG19, September 01, 2016).
6 selectable programs allow measuring, 3 phases to neutral (4-wire mode), 3 phases phase-phase (3-wire mode) and single phase to neutral (2-wire). The SPI1021 can monitor all decentralized power plants, photovoltaic, wind or thermal, that feed in the low or medium voltage grid. In applications with possible asymmetry >6kVA, power balance has to be monitored extra.

In programs 1-3 (3=default) the limits are preset according to CEI 0-21 (Italy), in programs 4-6 they are preset according to DEWA-standard (Dubai). They can be changed if required and be protected with a code and/or a seal.

A counter for alarms and standbys stores the last 100 events with reason and elapsed time. In addition the time the SPI1021 has interrupted the plant is recorded. All values can be read displayed at the device and give the operator valuable information about the availability of the plant. The standby input allows a remote shutoff e.g. with a RCR. It can also be used to switch to an energy saving mode by a timer or a twilight switch. Number of standbys and added time are stored and can be read in the display.

Summary of the functions

When the device has been installed, a self-test starts automatically. The self-test can be repeated when required. All values of the test are stored and can be read out at the display.

Monitoring of under- and overvoltage 0/15-520 V
Measuring of 3 phase with or without neutral or single phase
Monitoring of over- and underfrequency 45-65 Hz
Monitoring of quality of voltage (10-minutes-average)
Monitoring of vector-shift (connectible)
Input IN2 for selection of frequency window
Input In3 for selection of mode transitory or definitive
Input Y0/Y1 for monitoring function of connected switch (automatic detection of nc/no)
Relay K2 picks up (on time <500ms) only at failure at switch connected to K1
2 restarts at switch-on error of connected switch
Selftest with storing of values
Switching delays adjustable 0,05…130 s
Switching-back-delays adjustable 0…999 s
Different switching time according to type of alarm and selected mode
Switch-on delay 300 s
All parameters preset according to CEI 0-21
Alarm counter for 100 alarms with value, reason and elapsed time
Recording of added time of alarms
Input for standby (off time <50ms) with counter and recording of time
Simulation for testing
Sealing, all parameters can be read out while sealed
Easy installation and programming with 6 preset programs
Supply-voltage AC/DC 24-270 V
Housing for DIN-rail-mount, 105 mm wide, mounting height 70 mm

Technical specifications

Certificates

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Passendes Zubehör

Front Mounting Kit Type ER

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