Voltage and frequency relay Type SPI1021

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

Voltage and frequency relay Type SPI1021

Part number

S222300

Product description

 

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 Data

Control voltage Us

Rated-Connection

.......

AC/DC 24-270 V, 0/40...70 Hz, <1,8W / <6,5 VA
DC: 20,4...297 V, AC: 20,4...297 V

 

Voltage drop

.......

SPI1021 must be supplied with a UPS (>5s)

 

Output relay (2 x change-over contact)

Switching voltage

.......

Max. AC 440 V

 

Conventional thermal current Ith

.......

6 A

 

Inrush current (at 10 % ED)

.......

25 A max. 4 s / 50 A max. 1 s

 

Nominal operating current Ie (AC 15)

.......

6 A AC 250 V

 

Recommended series fuse

.......

gG/gL 6 A

 

Contact service life, mech.

.......

30 x 106 switching cycles

 

Contact service life, electr.

.......

1 x 106 operating cycles at AC 250 V / 6 A
2 x 105 operating cycles at AC 250 V / 10 A cos φ 0.6

 

Voltage measurement

Measurement voltage phase – phase

.......

AC 15…530 V (< 5 V: 0 is displayed)

 

Adjustment range phase – phase

.......

AC 0/15…520 V

 

Measurement voltage phase – N

.......

AC 10…310 V (< 5 V: 0 is displayed)

 

Adjustment range phase – N

.......

AC 0/15…300 V

 

Measurement principle

.......

Real root mean square measurement both half waves

 

Hysteresis

.......

Adjustable 1.0…99.9 V

 

Measurement error (with N)

.......

± 0.6 % of the measurement value

 

Measurement error (without N)

.......

± 0.8 % of the measurement value

 

Display accuracy

.......

>100V: -1 digit (res. 1 V)
<100V: -1 digit (res. 0.1V)

 

Measurement function

.......

3-phase with/without N

 

Response time

.......

Adjustable 0.05 (±15ms)…130.0 s

 

Reset time

.......

Adjustable 0(>200ms) … 999 s

 

Frequency measurement

Frequency range

.......

40...70 Hz

 

Adjustment range

.......

45,00...65,00 Hz

 

Hysteresis

.......

0.05…10.00 Hz

 

Measurement accuracy

.......

± 0.04Hz ± 1 digit

 

Response time

.......

Adjustable 0.05 (±15ms)…130.0 s

 

Reset time

.......

Adjustable 0 (>200ms) … 999 s

 

Vector surge

Measurement range

.......

0…45.0°

 

Adjustment range

.......

2,0...20,0°

 

Response time

.......

< 50 ms

 

Reset time

.......

Adjustable 3…240 s

 

Delay at Us on

.......

Adjustable 2…20 s

 

Digital inputs (INx)

Output voltage +U

.......

DC 15…35 V

 

Current INx

.......

> 3 mA

 

Contactor feedback inputs

Voltage Y0 – Y1/2

.......

DC 15…35 V

 

Current

.......

> 3 mA

 

Contactor response time (section switch)

.......

Adjustable 0.5...99.0 s

 

Selftest

Phases

.......

Pr1,2: all Pr3: L1 only

 

Slope Rate Voltage

.......

<150V: 2,5V/s, ≥150V: 5,0V/s

 

Slope Rate Frequency

.......

0,05Hz/s

 

Permissible tolerance

.......

measured value – trigger value: ≤±5%
Response time:80…120ms

 

Display result

.......

„Pass“ = passed, „Fail“ = failed

 

Duration

.......

max 175s

 

Test conditions (EN 60255)

Rated impulse withstand voltage

.......

4000 V

 

Surge category

.......

III

 

Pollution level

.......

2

 

Rated insulation voltage Ui

.......

300 V

 

Insulation group

.......

II

 

Operating time

.......

100 %

 

Permissible ambient temperature

.......

-20 °C... +55 °C (EN 60 068-2-1 dry heat)

 

EMC - noise immunity

.......

EN 61000-6-2

 

EMC - noise emission

.......

EN 61000-6-3

 

Housing

Construction form

.......

V6

 

Front-to-back size

.......

55 mm

 

Dimensions (W x H x D)

.......

90 x 105 x 69 mm

 

Wiring connection single strand

.......

each 1 x 4mm2

 

Finely stranded with wire end ferrule

.......

each 1 x 2.5mm2

 

Protection class, housing

.......

IP 30

 

Protection class, terminals

.......

IP 20
Mounting snap-on fastening on 35 mm mounting rail acc EN 60 715 or with M4 screwed attachment (additional bar not included in the scope of delivery)

 

Weight

.......

approx. 250 g