Toshiba GRZ100 Manual
Toshiba GRZ100 Manual

Toshiba GRZ100 Manual

Gr series numerical relay
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Summary of Contents for Toshiba GRZ100

  • Page 2 GRZ100 provides the following metering and recording functions. GRZ100 can be provided with integral digital communi- cation channels for teleprotection signalling. Either one or Metering two communication channels are provided, suitable for Fault recording...
  • Page 3 Direction measurement in GRZ100 is based on cross polarization with voltage memory to ensure dependable In the GRZ100 models provided with an integral digital fault detection. GRZ100 uses an advanced distance communication channel for protection signaling, four...
  • Page 4 Z1 from overreaching for remote end faults. When telecommunications cannot be applied, a Zone 1 To ensure that GRZ100 can provide reliable time-delayed extension (Z1X) protection is provided for high-speed tripping for close-up three-phase faults, the phase fault protection of any fault along the whole length of the elements are reverse offset following Z1 operation.
  • Page 5 Therefore, the following voltage dependent sequence current. When the GRZ100 is applied to a double protections are blocked instantaneously when VT failure is circuit line, in order to eliminate the influences of zero detected.
  • Page 6 To enable single phase tripping for a high impedance earth used to control the RETRIP of the original circuit breaker(s). The fault, GRZ100, when equipped with the optional integral second timer is used to control the backtripping of adjacent communication channels, is provided with phase selection circuit breakers.
  • Page 7 The IDMT element for earth fault also has a reset feature constant. The GRZ100 issues a trip according to the ‘cold’ and with definite time reset. ‘hot’ curves specified in IEC60255-8 (see...
  • Page 8 Only single-shot autoreclose is available in Models 300 and The GRZ100 autoreclose function can be initiated by any of 500. Single-phase autoreclose, three-phase autoreclose or the following high-speed protections. single and three-phase autoreclose can be applied to the - Protection using telecommunication two circuit breakers.
  • Page 9 PC, and the remote PC when connected. The result of the fault location is stored as fault record data. - Voltages (phase, phase to phase, symmetrical In GRZ100 with integral communication, improved fault components) location accuracy is achieved for 3-ended applications by - Currents (phase, phase to phase, symmetrical use of data received from the remote terminals.
  • Page 10 Positioning System) is achieved via the IRIG-B port. Local PC USER INTERFACE The user can communicate with the GRZ100 from a local PC via the RS232C port on the relay fascia. The following data Relay Front Panel can be viewed or analysed on the local PC with RSM100 The relay front panel incorporates the following user software.
  • Page 11 The number of outputs varies according to the relay model. Configurable Binary Inputs GRZ100 is provided with 18 to 28 user configurable binary inputs. The number of inputs varies according to the relay model.
  • Page 12 GRZ100 TECHNICAL DATA Ratings AC current I 1A or 5A AC voltage V 100V, 110V, 115V, 120V Frequency: 50Hz or 60Hz DC power supply: 110Vdc/125Vdc (Operative range: 88 - 150Vdc) 220Vdc/250Vdc (Operative range: 176 - 300Vdc) 48Vdc/54Vdc/60Vdc (Operative range: 38.4 - 72Vdc) 24Vdc/30Vdc (Operative range: 19.2 –...
  • Page 13 GRZ100 Earth Fault Distance Measuring Element Z1G, Z2G and Z1XG 0.10 to 250.00Ω in 0.01Ω steps (1A relay) 0.01 to 50.00Ω in 0.01Ω steps (5A relay) θ 0° to 45° in 1° steps θ 45° to 90° in 1° steps 0.1 to 250.0Ω...
  • Page 14 GRZ100 Voltage Transformer Failure Supervision Undervoltage element (phase-to-phase) 50 to 100V in 1V steps Undervoltage element (phase-to-earth) 10 to 60V in 1V steps Current change detection element 0.1A fixed (1A relay) 0.5A fixed (5A relay) Residual voltage element 20V fixed...
  • Page 15 GRZ100 Directional Earth Fault Command Protection Time for delayed trip 0.00 to 0.30s in 0.01s steps Coordination time 0 to 50ms in 1ms steps Inverse Time Earth Fault Protection Earth fault 0.10 to 1.00A in 0.01A steps (1A relay) 0.5 to 5.0A in 0.1A steps (5A relay) Time multiplier 0.05 to 1.00 in 0.01 steps...
  • Page 16 GRZ100 Autoreclose Function Number of shots 1 to 4 shots Timer settings Dead time for single-phase autoreclose 0.01 to 10.00s in 0.01s steps Dead time for three-phase autoreclose 0.01 to 100.00s in 0.01s steps Multi-shot dead line time 5.0 to 300.0s in 0.1s steps Multi-shot reset time 5.0 to 300.0s in 0.1s steps...
  • Page 17 GRZ100 Disturbance Record Initiation Overcurrent element 0.1 to 50.0A in 0.1A steps (1A relay) 0.5 to 250.0A in 0.1A steps (5A relay) Undervoltage element 0 to 132V in 1V steps (for phase fault) 0 to 76V in 1V steps (for earth fault) Pre-fault time 0.3s fixed...
  • Page 18 GRZ100 a) Minimum operating time (50Hz) b) Maximum operating time (50Hz) Phase to phase fault a) Minimum operating time (50Hz) b) Maximum operating time (50Hz) Phase to earth fault In the case of a 60Hz relay the operate time is reduced by approximately 15% to 20%.
  • Page 19 GRZ100 ENVIRONMENTAL PERFORMANCE Test Standards Details Atmospheric Environment Temperature IEC60068-2-1/2 Operating range: -10°C to +55°C. Storage / Transit: -25°C to +70°C. Humidity IEC60068-2-78 56 days at 40°C and 93% relative humidity. Enclosure IEC60529 IP51 (Rear: IP20) Protection Mechanical Environment Vibration...
  • Page 20 GRZ100 Optical Interface Unit G1IF1 (Option) Ratings Power supply: 110Vdc/125Vdc (Operative range: 88 - 150Vdc) 220Vdc/250Vdc (Operative range: 170 - 300Vdc) 48Vdc (Operative range: 38.4 - 72Vdc) Burden: less than 8W Interface Communication interface: CCITT-G703-1.2.1 CCITT-G703-1.2.2 or 1.2.3 X.21 Operative Range: less than 1.2km with 62.5/125µm GI fibre (3dB/km)
  • Page 21 GRZ100 ORDERING 1. Distance Relay GRZ100 − B − 0 − Relay Type: Distance protection relay GRZ100 Relay Model: -Model200: With autoreclose for single breaker scheme 18 BIs, 23 BOs, 6 trip BOs 24 BIs, 41 BOs, 6 trip Bos...
  • Page 22 GRZ100 2. Distance Relay with integral communications GRZ100 − B − − Relay type: Distance relay GRZ100 Relay Model: For 2-terminal line application (one communication channel) / with autoreclose for single breaker scheme -Model 211: 6 trip contacts / 18 binary outputs / 22 binary inputs...
  • Page 23 GRZ100 3. Optical Interface Unit (Option) − − G1IF1 Type: Communication interface box G1IF1 Model: For X.21 with outer case For CCITT-G703-1.2.1 contradirectional For CCITT-G703-1.2.2 or 1.2.3 contradirectional For X.21 Auxiliary power supply: DC 48V / 54V / 60V DC 110V / 125V DC 220V / 250V 4.
  • Page 24 GRZ100 RELAY OUTLINE Flush Mount M3.5 Ring terminal M3.5 Ring terminal Figure 16 Relay case Type-A outline(for models 201, 204, 211, 214, 221, 224, 301, 311, 321) M3.5 Ring terminal M3.5 Ring terminal Figure 17 Relay case Type-B outline(for models 203, 206, 216, 226, 302, 303, 323, 401, 501)
  • Page 25 GRZ100 19-inch Rack Mount Figure 18 Relay case Type-A outline(for models 201, 204, 211, 214, 221, 224, 301, 311, 321) Figure 19 Relay case Type-B outline(for models 203, 206, 216, 226, 302, 303, 323, 401, 501)
  • Page 26 GRZ100 Outline of Optical interface unit 2- Φ5 T B 1 Power TX from COM TX from RELAY CLK from COM SPARE 2-5x9 Figure 20 Outline of optical interface unit G1IF1 (without outer case) Outline of Protocol Converter 88-150Vdc/80-120Vac RS232C...
  • Page 27 GRZ100 EXTERNAL CONNECTION DIAGRAM TB2-A1 B O 1 TB3- A2 BUS VT B O 1 TB1 -1 B O 2 B O 2 B O 3 B O 3 Io from B O 4 B O 4 adjacent Line CT...
  • Page 28 GRZ100 BUS VT TB2- A2 TB5- A2 TB3- A2 B O 1 B O 1 B O 1 TB1 -1 B O 2 B O 2 B O 2 B O 3 B O 3 B O 3 Io from...
  • Page 29 GRZ100 TB2-A1 B O 1 BUS VT TB3- A2 B O 1 TB1 -1 B O 2 B O 2 B O 3 B O 3 Io from B O 4 B O 4 adjacent Line CT B O 5...
  • Page 30 GRZ100 TB5- A1 TB3- A2 B O 1 BUS VT B O 1 TB2- A2 B O 1 TB1 -1 B O 2 B O 2 B O 2 B O 3 B O 3 B O 3 B O 4...
  • Page 31 GRZ100 TB2-A1 BUS VT B O 1 TB1 -1 TB3- A2 B O 1 B O 2 B O 2 B O 3 B O 3 Io from adjacent Line CT B O 4 B O 4 B O 5...
  • Page 32 GRZ100 BUS VT TB1 -1 TB5- A2 TB3- A2 TB2- A2 B O 1 B O 1 B O 1 B O 2 B O 2 B O 2 B O 3 B O 3 Io from B O 3...
  • Page 33 GRZ100 TB3-A1 B O 1 BUS VT TB2- A2 TB5- A2 B O 1 B O 1 TB1 -1 B O 2 B O 2 B O 2 B O 3 B O 3 B O 3 B O 4...
  • Page 34 GRZ100 BUS VT TB1 -1 TB3-A1 TB5- A2 B O 1 TB2- A2 B O 1 B O 1 B O 2 B O 2 B O 2 Io from B O 3 B O 3 adjacent Line CT B O 3...
  • Page 35 TP -B 2 CASE EARTH TRIP-B Terminal Block Arrangement (Rear view) TP -C 2 (Note) GRZ100-211: 2 terminal system, not provided TRIP-C with terminals marked with (*). GRZ100-221: 3 terminal system Figure 30 Typical external connection of Models 211/221...
  • Page 36 (∗1) Terminal Block Arrangement (Rear view) TP -C 1 TRIP-C (∗1)These connections are connected (Note) GRZ100-214: 2 terminal system, not provided by wire link before shipment. with terminals marked with (*). CASE EARTH GRZ100-224: 3 terminal system Figure 31 Typical external connection of Models 214/224...
  • Page 37 For optical interface SUPPLY Terminal Block Arrangement (Rear view) (∗1) (∗1)These connections are connected (Note) GRZ100-216: 2 terminal system, not provided by wire link before shipment. with terminals marked with (*). CASE EARTH GRZ100-226: 3 terminal system Figure 32 Typical external connection of Models 216/226...
  • Page 38 Terminal Block Arrangement (Rear view) TP -B 2 TRIP-B CASE EARTH (Note) GRZ100-311: 2 terminal system, not provided TP -C 2 with terminals marked with (*). TRIP-C GRZ100-321: 3 terminal system Figure 33 Typical external connection of Model 311/321...
  • Page 39 GRZ100 BUS VT TB2- A2 TB1 -1 TB5- A2 B O 1 TB3- A2 B O 1 B O 1 B O 2 B O 2 B O 2 B O 3 B O 3 B O 3 Io from...

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