Ashida ADR244A Manual de usuario

ADR244A

Doc ID: ADR244A /PC/01

Rev No.: 01

Page No.: 1 of 11

Introduction:

ASHIDA has designed economical & reliable

Multifunction ADR244A Draw-out/Non draw-

out Protection & Control System. The simple

and compact construction of Aditya series,

ADR244A relay provides integrated

Protection, Control and Monitoring functions

for Induction motors. Draw-out/Non draw-out

versions are available based on ordering

information.

Functional Overview:

Key Protection & Control Functions:

•Draw-out / Non draw-out cabinet

•Two Independent Settings Groups

•Thermal Overload Protection (49)

•Non Directional Phase & Ground Over

Current Function (50/51/51N/51)

•Two Independent Stages for Non

Directional Phase Over Current

Protection

•Two Stages of Non Directional Ground

Over Current Protection

ADR244A

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•Internally Derived / Externally measured

Ground Over Current (3I0>) Protection

•Inverse time Over Current Protection

(IEC & IEEE curves) + User define curve

•Harmonic blocking and unblocking

feature.

•Cold load pick up.

•High Impedance Restricted Earth Fault

Protection (64R).

•Inverse & Definite time Negative

Sequence Over Current Protection (46)

•Broken Conductor Protection (46BC)

•Phase reversal Protection (47)

•Locked rotor / Motor stall Protection

(50LR)

•Breaker Failure detection (50BF)

•Prolong start Protection (66)

•Too many starts / Number of starts

function

•Trip circuit supervision function

•Programmable Inputs & Outputs

•CB Close / Trip from HMI

•Target LEDs for indication with dual

colours (4 nos.)

•Self Supervision of relay

•Metering function

•Disturbance Recording (10 nos.)

•Event Recording (512 nos.)

•Fault Recording on HMI display (10 nos.)

•Non-Volatile memory

•Fully communicable with IEC standard

open protocol IEC60870-5-103

•Separate communication port for SCADA

Communication

•PC front port communication for

convenient relay settings

•User friendly local operation with key pad

•Liquid crystal display (16x2) with

backlight

•Password Protection.

Software Support:

•Setting Editor.

•Programmable scheme logic Editor.

•Settings upload / download.

•Offline Settings Editor.

•Online Measurement.

•Disturbance analysis.

Applications:

ADR244A numerical multifunction relay

designed for induction motor

protection/feeder protection applications.

Relay designed with fast and selective

tripping ensures the stability and availability

of electrical power system.

ADR244A relay apply for protection, control

& monitoring of motor/radial and ring main

feeder to achieve sensitivity and selectivity

on phase, ground faults and unbalance load

conditions.

ADR244A

Doc ID: ADR244A/PC/01

Rev No.: 01

Page No.: 3 of 15

Radial feeder application

The functional overview of ADR244A:

Protection functions Overview

Non Directional Over Current

Protection (50/50N/51/51N):

The core functionality of ADR244A relay is

equipped with multi function feeder

protection. The relay provides Non

Directional phase and ground over current

protection with multiple settings (Two stages

for phase over current and ground over

current) for various power system

applications and wide range of protection

settings. The function is equipped with digital

filter algorithms, providing the rejection of

higher harmonics & DC offset. Selectable

IEC / IEEE inverse time curves & user define

curve with non directional over current

protection will be providing greater

selectivity, flexibility and sensitivity to users

for better relay co-ordinations.

ADR244A relay provides inverse time over

current characteristic for phase and ground

over current elements. Each stage of phase

and ground over current elements are

ANSI Code Description

CLP Cold load pick up

37 Under current Protection

46 Negative Phase Sequence Protection

46BC Broken Conductor Detection

47 Phase Reversal Detection

49 Thermal overload Protection

Instantaneous/Definite Time Phase

Over current Protection

Inverse Time Phase Over current

Protection

50N

Instantaneous/Definite Time Ground

Over current Protection

50LR

Locked rotor/Motor stall Protection

51N

Inverse Time Ground Over current

Protection

64G

High Impedance Restricted Earth

Fault Protection

66 Number of starts

50BF Breaker Failure

86 Lockout (Trip command)

ADR244A

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independently settable with inverse time or

definite time characteristic. The following

tripping characteristics are available;

IEC/IEEE Inverse curves for tripping of over current

elements

ADR244A relay provides the inverse time

dropout characteristic (electromechanical

relay reset) for IEEE curves. The output of

protection function shall be reset after

dropout time delay.

ADR244A relay provides two stages of

definite time/inverse time internally derived

zero sequence over current (3I0>) protection

to detects asymmetrical faults in electrical

network. It can apply to over head

transmission line, underground cable, and

feeder. The ground current (3I0>) calculated

from three line currents.

Internally derived residual over current application

ADR244A relay provides two stages of

externally ground over current protection.

ADR244A relay measures ground fault

current through neutral CT input. Externally

ground CT input can also apply for high

impedance restricted earth fault protection or

sensitive ground fault protection through

CBCT.

Externally measured ground over current through neutral

ADR244A

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Rev No.: 01

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Externally measured ground over current through CBCT

Harmonic blocking / Unblocking for

Over Current Protection

(50H/51H/50NH/51NH):

Harmonic blocking / unblocking feature

equipped in ADR244A relay provides stability

on inrush current during transformer

energization. Harmonic blocking/unblocking

feature is independent for each stage of

phase and ground over current protection.

Additional functions (CLP & SOTF):

ADR244A provides the cold load pick up

(CLP) and switch on to fault (SOTF) as

additional functions. User can select the one

of this function for application. Cold load pick

up function provided in relay for multiple

applications. The application of this feature

can be use to avoid wrong operation on

inrush current during transformer

energization without compromising sensitivity

of over current protection.

The ADR244A provides SOTF function to

protection feeder against switch on to fault

condition during feeder/transformer

energization.

Negative Phase Sequence Over

Current Protection (46):

Two independent stages of Definite and

Inverse time Negative sequence over current

protection will be providing back up

protection of over head transmission line /

underground cable / feeder against

unbalanced faults, very high resistive

phase/ground faults and unbalanced loads.

ADR244A

Doc ID: ADR244A/PC/01

Rev No.: 01

Page No.: 6 of 15

Protection can also apply in condition when

there is a very high resistive ground fault and

ground element may not sense the fault

current.

The negative phase sequence over current

element can be programmed as IDMT or

definite time characteristic. ADR244A relay

provides ten selectable IEC / IEEE inverse

curves and one user define curve for each

stage.

Broken Conductor Protection (46BC):

ADR244A equipped with broken conductor

detection protection. Broken conductor

condition can be detected by ratio of

Negative sequence current to Positive

sequence current (I2/I1) provides higher

sensitivity on High resistive fault.

Thermal overload Protection (49):

ADR244A relay provides thermal over load

protection of transformer against over load

conditions. Relay estimate thermal contents

and initiate alarm & tripping if the thermal

contents are higher than the preset value.

Trip time of relay follows the according to the

thermal time constant value set in to relay.

ADR244A

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Rev No.: 01

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Breaker Failure detection (50BF):

If the fault current is not interrupted after a

time delay expired, circuit breaker failures

detected, and execute trip command to

upstream circuit breaker. ADR244A relay

incorporates circuit breaker failure protection

to detect failure of tripping command

execution due to mechanical or electrical

problems in circuit breaker.

Under current detection (37):

ADR244A provide under current protection

with definite time delay option.

Trip circuit supervision (74T):

Any binary inputs for circuit breaker poles

can be used for monitoring the circuit

breaker trip coils including connecting

cables. Relay initiate alarm whenever the

circuit breaker control/DC circuitry gets

interrupted.

The ADR244A is having 4 separate digital

opto-coupler status input which can be used

to continuously monitor heartiness of trip-

circuit.

Relay monitor Trip coil continuity through CB

NO during close condition and through CB

NC during Trip condition. If any discontinuity

observed it generate Alarm signal.

Programmable Inputs, Outputs &

Logic:

The ADR244A relay equipped with 7 nos. of

programmable digital outputs and 4 nos. of

optically isolated digital inputs. All 4 nos. of

digital inputs are the programmable digital

inputs to be configured for desired

applications including trip circuit supervision.

Programmable LEDs and

Pushbuttons:

The ADR244A relay provides total 4 nos. of

target & programmable LEDs with dual

colors indication. The LEDs can be

programmed either through HMI or through

PC software (RTV2 software).

ADR244A

Doc ID: ADR244A/PC/01

Rev No.: 01

Page No.: 8 of 15

Event Recording:

ADR244A relay is providing feature to record

and store 512 nos. of events in non-volatile

memory through internally by protection and

control functions and externally by triggering

of digital inputs, and can be extracted using

communication port or viewed on front of

LCD display. The event shall be trigger on

time stamp through time synchronization or

internal clock setting.

Disturbance recording:

ADR244A relay is provides built in

disturbance recording facility for recoding of

analogue and digital channels. Relay records

10 nos. of disturbances and store in to non-

volatile memory. Disturbance records can be

saved in IEEE COMTRADE format and

same can be analyzed in disturbance

analysis software.

Fault recording:

ADR244A relay is providing fault record

facility. The fault records can be display

either on HMI display or in RTV2 software.

The relay can records 10 nos. of fault

records in non-volatile memory.

Metering:

Online metering feature of ADR244A relay is

providing metering of parameters (i.e. current

magnitude) on HMI display or in RTV2

software.

Independent Protection settings

groups:

ADR244A relay provides two independent

settings groups to allow operate relay on

different power system operating conditions.

IEC 60870-5-103 Protocol:

ADR244A relay provides internationally

standardized protocol for communication via

RS485 port of protection relays. IEC 60870-

5-103 protocol used worldwide and

supported by relay manufacturers.

ADR244A

Doc ID: ADR244A/PC/01

Rev No.: 01

Page No.: 9 of 15

Typical Tests Information:

The Relay Confirm to following standard

Electromagnetic Compatibility Type Test:

Sr. No. Standard Test

High Frequency

Disturbance Test IEC60255-22-1 : Frequency : 1MHz Damped Oscillatory

: Longitudinal :2.5 KV Common Mode,

1 KV Differential Mode

: Duration: sec duration 2 sec.

: On Mains Port.

2. Electrostatic

Discharge Test-

Direct Application

IEC60255-22-2 : IEC 61000-4-2.

: Contact discharge: 2, 4, 6 kV,

: Air discharge: 2, 4 8 KV

: Polarity: both +ve and –Ve polarities.

3. Fast Transient

Disturbance Test

IEC60255-22-4 : Class A

: 4KV; 5/50ns; 5KHz & 100KHz: Repetition rate 300ms;

Both polarities; Ri = 50Ω; duration 1 min.

Surge Immunity

Test

IEC60255-26 &

IEC61000-4-5 : Differential Mode = 2kV

: Common Mode = 4kV

: 1.2/50µs, 8/20µs 5 surges of each polarity

5. Power Frequency

Immunity Test IEC60255-22-7 : Class-A

6. Pulse Magnetic

Field Immunity

Test

IEC61000-4-9 : TEST LEVEL 5, TEST specifications = 1000A/m field

applied in all planes

7. Radiated

Electromagnetic

Field Disturbance

Test

IEC60255-22-3 : 10V/m, Performance Class-A

: 10V/m, freq = 80MHz to 1GHz, 80% AM at 1kHz. SPF

= 80, 160, 380, 450, 900 MHz

8. Conducted

Disturbance

Induced By Radio

Frequency Field

IEC60255-26

: Freq. 150kHz – 80MHz, Amplitude 10 V, Modulation

80% AM @ 1 KHz. SPF = 27 and 68 MHz

9. Power Supply

Immunity Test IEC60255-11 &

IEC61000-4-11 : DC voltage dip:

40% dip 200ms and 70% for 500ms for DC

10 & 20ms without loss of protection for DC

30ms, 50ms, 100ms, 200ms, 300ms, 0.5s, 1s and 5s

with temporary loss of protection for DC

AC voltage dip:

10, 20ms without loss of protection for AC

50ms, 100ms, 200ms, 0.5s, 5s with temporary loss of

protection

ADR244A

Doc ID: ADR244A/PC/01

Rev No.: 01

Page No.: 10 of 15

10.

Conducted &

Radiated

frequency

Emission Test

IEC60255-25 : Conducted

0.15MHz - 0.5MHz, 79dB (microV) Q-

Peak, 66dB

(microV) for average

0.5MHz - 30MHz, 73dB (microV) Q-

Peak, 60dB

(microV) for average

Radiated (3mtr)

30MHz - 230MHz, 50dB (microV) Q-Peak,

230MHz - 1GHz, 57dB (microV) Q-Peak,

Insulation Tests:

11. High Voltage

Test

IEC60255-27 : At 2kV 50Hz between all terminal connected together

and earth for 1 minutes

12. Impulse Voltage

Test

IEC60255-27 : Test voltage: 5KV (peak) 1.2 / 50us,

: Energy :0.5 J,

: Polarity : + ve and – Ve

: Nos. of impulses : 3 positive and 3 negative impulse

: Duration between Impulses : 5 sec.

13. Insulation

Resistance IEC60255-27 : ≥100MΩ@ 500V DC

Environmental tests:

14. Cold test : IEC-60068-2-1

15. Dry heat test : IEC-60068-2-2

16. Damp heat test, steady state : IEC-60068-2-78

17. Change of Temperature : IEC-60068-2-14

18. Damp heat test, cyclic : IEC-60068-2-30

19. Enclosure Protection Test (IP54) : IEC 60529

CE compliance

20. Immunity : IEC-60255-26

21. Emissive Test : IEC- 60255-26

22. Low voltage directive : EN-50178

Mechanical tests

23. Vibration Endurance Test

: IEC 60255-21-1 class 2

: Frequency Range = 10Hz – 250Hz , acceleration. =

2gn

: Sweep rate 1 octave/min; 20 cycle in 3 orthogonal

axis.

24. Vibration Response Test

: IEC 60255-21-1 class 2

: Frequency Range = 10Hz – 150Hz , acceleration. =

1gn

: Sweep rate 1 octave/min; Displacement =0.075mm,

in 3 orthogonal axis.

25. Bump Test : IEC 60255-21-2 Class-1

: 1000 bumps / direction of 10gn peak acceleration and

16ms pulse duration in each of the two opposite

direction per axis as per No. of axes. 3.

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