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Relay and System
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We are recognized as one of the prominent manufacturers of relay including EF Protection Relay, Trip Circuit Supervisory Relay, Voltage Operated Auxiliary Relay, Speed Master Trip Relay and SCADA systems. These are highly appreciated for their durability, efficiency and functioning.
Our range encompasses the following products:
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| EF Protection Relay | | Item Code: ADR211E The ADR211E is member of Ashida Numerical Relay family (Aditya Series) design to meet demandof low and medium switchgear control. The ADR211E is single pole EF relay with instantaneous highset and programmable output to simplify feeder protection wiring. The ADR211E continuouslymonitors earth current, through CT connections. The high-speed micro-controller samples thiscurrent through a 12-bit A/D converter. The micro-controller performs powerful Digital Algorithmsto find out Amplitude of current signal, and then this value is use for protection and meteringfunction. All measurement is tuned to fundamental frequency. Each input current is also displayedon 16 x 2 LCD display for metering.
Our range of relay is having following functions:
- Protection
- Self-supervision
- Measurement
Following are the features of our range of numerical neutral displacement protection relay:
- Single Element EF IDMT with instant trip.
- Back - lit LCD display for settings.
- Display of fault current / Load current.
- Design using DSP technology.
- Latching of fault current up-to last 5 fault.
- Password protection for setting.
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- Site selectable CT secondary (For Model AM00x02/x03)
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- Relay can be made either IDMT or Define time.
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- Programmable operating time in instantaneous element
- Suitable For REF Protection
For More Details Download PDF |  | | Request for Full Specifications | |
| Trip Circuit Supervisory Relay | | Item Code: ATSR31A We offer a wide range of Trip CIRCUIT Supervisory Relay that is manufactured using latest technology is of a standard modular construction of the draw out style. Trip Circuit Supervisory Relay is mainly used to supervise the trip circuit of a Circuit Breaker. In addition, TCSR detects bad contact, contact welding and trip circuits and other essential control cir- auxiliary voltage failures in the supervised circuits. The supervisory elements are continuously energized through these circuits, thus, their failure will be detected and alarmed.
Features
- Preset operate time preventing unwanted failure
- Member of the SPACOM product family alarm signals at circuit-breaker operation
- Substation Automation system
- Indication of relay operation with LED indicator on the front panel and output relay
For More Details Download PDF
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| Numerical OC/EF Protection Relay | | Item Code: ADR141A We offer a wide range of numerical non-directional IDMT protection relay. These are DSP based numerical, communicable, non communicable, non directional OC/EF relays. These are available with following protection functions:
- LBB
- Trip circuit supervision
- DI/DO
Our range of numerical non- directional IDMT protection relay is manufactured adhering to IEC Standard standards. In addition our range is designed in IDMTCurves and its models are designed with site selectable CT Secondary [1Amp. / 5Amp]
Standard Specifications:
O/C setting:
E/F setting:
O/C HF setting:
E/F HF setting:
TMS setting:
Specifications required while ordering:
IDMT curve:
- All five standard curves (10N- 3/1.3/1.5/0.8/13.3secs) or Definite Time
- Related CT secondary:
- A or 5A or site selectable
- Related Auxiliary Supply Voltage:
- 18 to 52VDC OR 80 to 250VDC specify any one range or any other standard specific value
For More Details Download PDF
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| Numerical UV/OV Protection Relay | | Item Code: ADR232B We manufacture a wide range of numerical under/over voltage protection relay that are available with a number of protection functions like LBB, Trip Circuit Supervision and DI/DO. These are DSP based numerical, communicable, non communicable non-directional OC/EF Relays. Relay models are designed with IDMT curves and site selectable CT Secondary [1Amp. / 5Amp]. In addition, these are manufactured at international standards such as IEC.
Standard Specifications:
O/C setting:
E/F setting:
O/C HF setting:
E/F HF setting:
TMS setting:
Specifications required while ordering IDMT curve:
- All five standard curves (10N- 3/1.3/1.5/0.8/13.3secs) or definite time
- Related CT secondary:
- 1A or 5A, or site selectable
- Related Auxiliary Supply Voltage:
- 18 to 52VDC OR 80 to 250VDC specify any one range or any other standard specific value
For More Details Download PDF | | Request for Full Specifications |
| High Speed Master Trip Relay | | Item Code: AVAJH13 We manufacture a wide range of speed master trip relay with HR contracts and auxiliary relay that operates in response to the opening or closing of its operating circuit to assist another relay or device in performing a function. These are fabricated using state-of-the-art technology and latest machinery. Our range of auxiliary relay is in great demand because of following features:
- Durability
- Efficiency
- Accuracy
In addition, we provide customization on our range of auxiliary relay as per the specifications of our clients.
For More Details Download PDF
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| Protection Relay for RMU | | Item Code: ADR241S Our clients can avail from us a wide range of numerical self powered IDMT protection relay that provide pulse output for low energy tripping coil of RMU. These relay are compatible and the entire RMU function can be remotely monitored. These are DSP based numerical, communicable, non-communicable and Non-Directional OC/EF relays.
Standard Specifications:
O/C setting:
E/F setting:
O/C HF setting:
E/F HF setting:
TMS setting:
Specifications required while ordering
IDMT curve:
- Any one of five standard curves (10N- 3/1.3/1.5/0.8/13.3secs) or definite time
Related CT secondary:
For More Details Download PDF | | Request for Full Specifications |
| Voltage Operated Auxiliary Relay | | Item Code: AVA21 Voltage Operated Auxiliary Relay with SR Contracts
Features :
- Contacts conforms to IS : 3231. Duty : 1250VA.
- Attracted armature type compact design with positive action.
- Din Standard size compact cabinet.
- SR contacts are available (with or without flags).
- Two independent coils in one cabinet.
Application :
- High speed tripping duties.
- Low burden sensitive relay.
- To multiply the contacts, for Protection Relay.
Operation : There are two independent relay elements in same cabinet. The coil of each element is directly brought on terminals 9, 10 (element A) & 29, 30 (element B). After applying the energizing voltage at these terminals, the relay operates and NO contact closes and NC contact opens. The Contacts are available as Self Reset (SR) type only. Relays are available with or without flags and AC or DC coil. For More Details Download PDF | 
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| Numerical 3 OC Plus 1EF Protection Relay |
| Item Code: ADR241BV2 ADR241B V2 Series is second generation Numerical 3 OC + 1EF Over Current Relay. It consist all the necessary protection and monitoring functions required for Normal feeder it consist of - High Speed Digital DSP Controller
- Analog Measuring Module
- Power supply Module
- Digital Input output module.
The High speed Digital Signal Controlle continuously monitors line phase current and E/F current. Along with different status input, through CTs, and optical isolated status connections. The high-speed micro-controller samples these current signals through a A/D converter. The Digital Signal performs powerful Numerical Algorithms to find out RMS of fundamental & harmonic contents of the current. All measurement is tuned to fundamental frequency i.e 50Hz, thus relay remain stable during distorted waveform generated electronics loco-motive. All these measure values are then used for different protection function such as IDMT Over current protection, Instantaneous Over current protection, E/F protection etc. The relay is having total 8 nos of dual LED of high intensity for easy identification of type of fault for easy user interface. LEDs L5, L6 and L7 and Relay R1 to R5, digital status input and controlled output are fully programmable via key pad interface. Main Function The ADR241B are having following protection functions. - 3 stage phase over current element. (Ip>,Ip>> and Ip>>>).
- 3 stages of 3Io (internally derived EF) (3Io>, 3Io>> and 3Io>>>).
- 3 stages of Ie (externally EF or REF) (Ie>, Ie>> and Ie>>>).
- Trip Circuit Super vision.
Protection Features: - 4 Element (3 Phase + EF + sensitive EF) Over current IDMT/DMT with instant trip.
- Programmable (Non- Volatile) Setting By local keys as well as remote setting by communication port
- Selection of Curve: Five selectable curve (Normal Inverse1 (C1), Normal Inverse2, (C2) Very inverse (C3), Extremely inverse (C4), Long time inverse (C5)) and Define Time (C6)
- Instantaneous Over-Current Protection with adjustable timer.
- Breaker Failure detection.
- In-built CB Trip Circuit Supervision function during pre closing and post closing of CB.
- Negative sequence over current (46).
- Breaker TRIP/CLOSE operation directly from relay keypad
For More Details Download PDF | | Request for Full Specifications |
| Directional Protection Relay | | Item Code: ADR245BV2 ADR245B is second generation Numerical 3OC + 1EF Directional Over Current Relay. It consist all the necessary protection and monitoring functions required for Normal feeder It consist of - High Speed Digital DSP Controller
- Analog Measuring Module
- Power supply Module
- Digital Input output module.
The High speed Digital Signal Controller continuously monitors phase, E/F current and PT Secondary voltage along with different optical isolated status connections. The high-speed micro-controller samples these current and voltage signals through a A/D converter. The Digital Signal performs powerful Numerical Algorithms to find out RMS of fundamental & harmonic contents of the current and voltage, the direction of power flow then this value is used for protection and metering function. The power supply module is basically DC – DC converted designed using modern PWM based Switching mode technique to convert 110Vdc station battery supply to the 12V and 24Vdc low voltage supply for relay electronics and control circuit. It also provides necessary isolation from station battery. There are two type of power supply modules are available 1) having range of 77Vdc – 260Vdc. Covering requirement of 110Vdc and 220Vdc station battery system 2) having range of 18Vdc to 52Vdc covering 24Vdc, 30Vdc, 48Vdc station battery requirement. The relay is having total 8 nos of high intensity dual LED for easy identification of type of fault for easy user interface. LEDs L5, L6 & L7, digital status input and control output R1 to R5 are fully programmable via keypad interface. Main Functions The ADR245B are having following protection functions. - 3 stage Directional phase over current element. (Ip>,Ip>> and Ip>>>).
- 3 stages of Directional 3Io (internally derived EF) (3Io>, 3Io>> and 3Io>>>).
- 3 stages of Non directional Ie (externally EF or REF) (Ie>, Ie>> and Ie>>>).
- Trip Circuit Super vision.
- Breaker Failure Detection.
- Monitoring Functions.
- Auto Recloser Relay (ARR).
Each of these functions are independently programmable and can be enable or disable by user depending upon requirement. Protection Features: - 4 Element (3 Phase + EF +sensitive EF) Directional / Non Directional Over current IDMT/DMT.
- Negative phase sequence element (46)
- Selection of Curve: Five selectable curve(Normal Inverse1 (C1), Normal Inverse2, (C2) Very inverse (C3), Extremely inverse (C4), Long time inverse (C5)) and Define Time (C6)
- Instantaneous Over-Current Protection with adjustable timer.
- Breaker Failure detection
- In-built CB Trip Circuit Supervision function during pre closing and post closing of CB.
- In built Auto Reclose Relay (ARR).
- On site CT Secondary selection 1A or 5A.
- In built VT supervision features and under/over voltage Alarm.
- Internal reconstruction phase-phase voltage and open delta voltage required for direction detection
- Internal calculation of zero seq. EF current (3Io) and Zero sequence voltage (3Vo) for directional detection for Earth fault.
For More Details Download PDF |
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| Differential Protection Relay |
| Item Code: ADR233BV2 ADR233A is second generation Numerical 3 Phase Tx Transformer differential Protection Relay. It consist all the necessary protection and monitoring functions required for transformer, it consist of - High Speed Digital DSP Controller
- Analog Measuring Module
- Power supply Module
- Digital Input output module.
The High speed Digital Signal Controller continuously monitors line HV and LV current + REF current. Along with different status input, through CTs, and optical isolated status connections. The high-speed micro-controller samples these current signals through a A/D converter. The Digital Signal performs powerful Numerical Algorithms to find out RMS of fundamental & harmonic contents of the current. All measurement is tuned to fundamental frequency i.e 50Hz, thus relay remain stable during distorted waveform generated electronics loco-motive. All these measure values are then used for different protection function.. These measured values are also displayed on large 20 x 4 LCD display for metering purpose. The DSC also monitor different digital input through optical isolator and control potential free contact for control CB and generate ALARM and Telesignalling. Main Functions The ADR233A are having following protection functions. - Transformer differential protection.
- REF protection.
- Breaker Failure Detection.
- Monitoring Functions.
Each of these functions are independently programmable and can be enable or disable by user depending upon requirement. Protection Features: - 3Phase Tx. Differential Protection + REF
- Programmable (Non- Volatile) Setting By local keys as well as remote setting by communication port
- Latching of fault current value.
- Operation base on fundamental frequency value.
- Harmonics restrain for Tx charging and CT saturation condition.
- Breaker Failure detection.
- Cross harmonics restrain.
- Programmable starting current.
- Programmable Internal ICT( interposing CT) ratio to match different transformer having different vector groups
- Programmable dual bias setting.
For More Details Download PDF | | Request for Full Specifications |
| Directional IDMT Relay | | Item Code: ADR145A The ADR145A is member of Ashida Numerical Relay family (Aditya Series) design to meet demand of low and medium switchgear control. The ADR145A is a Directional 3 OC and 1 EF IDMT relay with Instantaneous high set and programmable output to simplify feeder protection wiring. The ADR145A continuously monitors all 3 phase and earth current, through CT connections. The high-speed micro-controller samples this current through a 12-bit A/D converter. The micro-controller performs powerful Digital Algorithms to find out Amplitude of current signal, direction of power flow then this value is use for protection and metering function. All measurement is tuned to fundamental frequency. Each input current is also displayed on 16 x 2 LCD display for metering. The Relay is having main three functions - Protection
- Self-Supervision
- Measurement.
Features: - 4 Element (3 Phase + EF) Over current IDMT with instant trip.
- Programmable (Non- Volatile) Setting By local keys as well as remote setting by communication port.
- Back - lit LCD display for settings.
- Display of fault current. / Load current.
- Selection of Curve: Five selectable curves, Normal Inverse1 (C1), Normal Inverse2, (C2) Very inverse (C3), Extremely inverse (C4), Long time inverse (C5).
- Design using DSP technology
- Latching of fault current.
- Direction OC/EF Characteristic.
- Programmable MTA +30, +45and +60 for phase and – 14, -30, -45 for EF.
- Pass-word protection for setting.
For More Details Download PDF |
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| SAS System | | Item Code: ASCADA We offer a wide range of ASHIDA ASCADA - SAS System that is manufactured using quality raw material to maintain the quality and functions of our monitoring relays. Further, ASCADA-SAS integrates with protection relays/ IEDs from various vendors, which support standard protocols to provide additional protection data & powerful fault analysis. We offer full customization to our clients’ as per their requirements. For More Details Download PDF | | Request for Full Specifications |
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