Related Manuals for ABB CVX
Summary of Contents for ABB CVX
- Page 2 I.L. 41-682.11 Type CVX and CVX-1 Synchro-Verifier Relays TIME DIAL RESTRAINT POTENTIOMETER (R3) ELECTROMAGNET CIRCLE ADJUST Figure 1. CVX-1 Relay Front View, Out of Case OPERATING ELECTROMAGNET ADJUSTABLE RESISTOR (R4) TELEPHONE BALANCE ADJUST RELAY (T2) TELEPHONE RELAY (T1) VOLTAGE SENSING TELEPHONE RELAYS (V1 &...
- Page 3 The resistor connected across the lag coil of limited by using either a single or a multi-shot reclos- the electromagnet provides adjustment for different ing relay in conjunction with the CVX and SG relays. operating circles of the relay. CVX-1 OPERATION...
- Page 4 Watts 3.0 CHARACTERISTICS For the CVX-1 relay, additional burden of each tele- The type CVX and CVX-1 relays can be adjusted for phone relay at 120 Volts is as follows: operating circles from 40° to 60° as shown in Figure 8.
- Page 5 = 0.5 Seconds 6.1.2 Operating Circle Then 40° + 17.3 x 0.5 = 48.6° Connect the CVX relay per the test diagram, Figure 15. CVX-1 relays should be connected in a similar manner to correspond with the wiring of the particular style CVX-1 using Figure 16.
- Page 6 30° and 31° for CVX and spring for zero tension on the #11 position. This can between 35° and 36° for CVX-1 with rated volt- best be noticed by unwinding the spring until the con- age on both sides (leading or lagging: increasing tact will not move when the time dial is moved a small the resistor decreases the angle).
- Page 7 41-682.11 desired, adjust R3 until the contacts just close with operation will be as shown in the time curves of Fig- and V equal to rated voltage at 50° phase angle. ure 10. It may be necessary to readjust R4, the right hand resistor (rear view) to position the desired circle sym- metrically about the zero degree line.
- Page 8 Circuits, in Type FT-21Case - 9676A63 ................Pg.9 Figure 4 Internal Schematic Type CVX-1 Synchro-Verifier with HBDL/HLDB Outputs Isolated from CVX-1 Contact. Common Potential Circuits, in Type FT-21 Case - 9676A30 ......................Pg.10 Figure 5 External Schematic of Type CVX Synchro-Verifier Relay, in type FT-21 Case - 9676A69 ..................Pg.11...
- Page 9 41-682.11 Sub 1 9676A63 Figure 3. Internal Schematic CVX Synchro-Verifier Relay with Isolated Potential Circuits.
- Page 10 I.L. 41-682.11 Type CVX and CVX-1 Synchro-Verifier Relays Sub 1 9676A30 Figure 4. Internal Schematic Type CVX-1 Synchro-Verifier Relay in Type FT-21 Case with HBDL/HLDB Outputs Isolated from CVX-1 Contact, and with Common Potential Circuits.
- Page 11 41-682.11 Sub 1 9676A69 Figure 5. External Schematic of Type CVX Synchro-Verifier Relay with Isolated Potential Circuits. Sub 1 9676A78 Figure 6. External Schematic of Type CVX Synchro-Verifier Relay with Isolated Potential Circuits and External Voltage Relays.
- Page 12 Figure 7. External Schematic of Type CVX-1 Synchro-Verifier with HBDL/HLDB Outputs Isolated from CVX-1 Contact, and with Common Potential Circuits. Sub 1 184A997 Figure 8. Typical Voltage-Angle Characteristic of CVX and CVX-1 for Various Closing Angle Settings, Rated Voltage on One Circuit.
- Page 13 41-682.11 Sub1 184A998 Figure 9. Typical Time Phase Angle Curves of CVX and CVX-1 Relays. Rated Voltage on Both Circuits. Number 11 Time Dial Setting.
- Page 14 I.L. 41-682.11 Type CVX and CVX-1 Synchro-Verifier Relays Sub 2 184A999 Figure 10. Operating Time Variations with Changes in Time Dial Settings. Rated In-Phase Voltage on Both Circuits, 20, 40, and 60 degree Circle.
- Page 15 41-682.11 Sub 1 185A123 Figure 11. Approximate Maximum Slip Frequency for which Operation Occurs. Rated Voltage Both Sides.
- Page 16 I.L. 41-682.11 Type CVX and CVX-1 Synchro-Verifier Relays Sub 1 185A123 Figure12. Typical CVX, CVX-1 Reset Times. Return of Contact to Backstop Position with one Voltage at Rated Voltage and the Other Suddenly Reduced from Rated in Phase to Zero Voltage.
- Page 17 41-682.11 Sub 1 Sub 1 471191 471192 Figure13. V Voltage for Different Operating Circles, Figure14. Operating Times from the #11 Time is Equal to Rated Voltage at Zero Phase Angle. Dial Position, set for Different Operating Circles. and V areEqual to Rated Voltage at Zero Phase Angle.
- Page 18 I.L. 41-682.11 Type CVX and CVX-1 Synchro-Verifier Relays Figure 15. Test Diagram for CVX Synchro- Verifier Relay with Isolated Potential Circuits...
- Page 19 41-682.11 Figure 16. Test Diagram for Relay Type CVX-1 Synchro-Verifier with Common Potential Circuits.