Common use of Auto Transformer Protection Clause in Contracts

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV side iv) Numerical Over fluxing protection on HV & MV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. Further, Numerical Back-up Over-current and earth fault protection on HV & MV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- transformer for the purpose of auxiliary supply shall be provided. The Over current and open delta protection is required to be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protectionProtection ii) Numerical Restricted earth fault protectionEarth Fault Protection iii) Numerical Back-up Over-current Current and earth fault protection Earth Fault Protection on HV & MV High Voltage (HV) and Intermediate Voltage (IV) side iv) Numerical Over fluxing protection Fluxing Protection on HV & MV side and IV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. Alarm Further, Numerical Back-up Over-current Current and earth fault protection Earth Fault Protection on HV & MV and IV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, Magnetic Oil Gauge (MOG) with low oil level alarm, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & and isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- auto-transformer for the purpose of auxiliary supply shall be provided. The Over over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & and protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV High Voltage (HV) and Intermediate Voltage (IV) side iv) Numerical Over fluxing protection on HV & MV and IV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. alarm Further, Numerical Back-up Over-current and earth fault protection on HV & MV and IV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, Magnetic oil Gauge (MOG) with low oil level alarm, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & and isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- auto-transformer for the purpose of auxiliary supply shall be provided. The Over over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & and protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV IV side iv) Numerical Over fluxing protection on HV & MV IV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. alarm Further, Numerical Back-up Over-current and earth fault protection on HV & MV IV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, Magnetic oil Gauge (MOG) with low oil level alarm, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- auto-transformer for the purpose of auxiliary supply shall be provided. The Over over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV IV side iv) Numerical Over fluxing protection on HV & MV IV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. alarm Further, Numerical Back-up Over-current and earth fault protection on HV & MV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- auto-transformer for the purpose of auxiliary supply shall be provided. The Over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protectionProtection ii) Numerical Restricted earth fault protectionEarth Fault Protection iii) Numerical Back-up Over-current Current and earth fault protection Earth Fault Protection on HV & MV High Voltage (HV) and Intermediate Voltage (IV) side iv) Numerical Over fluxing protection Fluxing Protection on HV & MV and IV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. Alarm Further, Numerical Back-up Over-current and earth fault protection on HV & MV and IV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, Magnetic Oil Gauge (MOG) with low oil level alarm, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & and isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- transformer for the purpose of auxiliary supply shall be provided. The Over over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built built-in feature either in the bay controller to be provided for the auxiliary system or in the control & and protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV IV side iv) Numerical Over fluxing protection on HV & MV IV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on (HV side for 400/220/33kV ICT. Side) Further, Numerical Back-up Over-current and earth fault protection on HV & MV IV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- transformer for the purpose of auxiliary supply shall be provided. The Over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV IV side iv) Numerical Over fluxing protection on HV & MV IV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. alarm Further, Numerical Back-up Over-current and earth fault protection on HV & MV IV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- transformer for the purpose of auxiliary supply shall be provided. The Over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV High Voltage (HV) and Intermediate Voltage (IV) side iv) Numerical Over fluxing protection on HV & MV and IV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. alarm Further, Numerical Back-up Over-current and earth fault protection on HV & MV and IV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & and isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- transformer for the purpose of auxiliary supply shall be provided. The Over over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & and protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protectionProtection ii) Numerical Restricted earth fault protectionEarth Fault Protection iii) Numerical Back-up Over-current Current and earth fault protection Earth Fault Protection on HV & MV High Voltage (HV) and Intermediate Voltage (IV) side iv) Numerical Over fluxing protection Fluxing Protection on HV & MV and IV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. Alarm Further, Numerical Backnumerical back-up Overover-current and earth fault protection on HV & MV and IV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, Magnetic Oil Gauge (MOG) with low oil level alarm, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & and isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- auto-transformer for the purpose of auxiliary supply shall be provided. The Over over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & and protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV High Voltage (HV) and Intermediate Voltage (IV) side iv) Numerical Over fluxing protection on HV & MV and IV side v) Numerical Overload alarm alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. Further, Numerical Back-up Over-current and earth fault protection on HV & MV and IV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & and isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- transformer for the purpose of auxiliary supply shall be provided. The Over over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & and protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV side iv) Numerical Over fluxing protection on HV & MV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on (HV side for 400/220/33kV ICT. Side) Further, Numerical Back-up Over-current and earth fault protection on HV & MV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- auto-transformer for the purpose of auxiliary supply shall be provided. The Over current and open delta protection is required to be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV side iv) Numerical Over fluxing protection on HV & MV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on (HV side for 400/220/33kV ICT. Side) Further, Numerical Back-up Over-current and earth fault protection on HV & MV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- transformer for the purpose of auxiliary supply shall be provided. The Over current and open delta protection is required to be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV side iv) Numerical Over fluxing protection on HV & MV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. alarm Further, Numerical Back-up Over-current and earth fault protection on HV & MV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- transformer for the purpose of auxiliary supply shall be provided. The Over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & protection IEDs to be provided for autotransformer.

Auto Transformer Protection. These shall have the following protections: i) Numerical Differential protection ii) Numerical Restricted earth fault protection iii) Numerical Back-up Over-current and earth fault protection on HV & MV side iv) Numerical Over fluxing protection on HV & MV side v) Numerical Overload alarm vi) Numerical Back up Impedance protection on HV& MV sides (HV Side), if required for 765/400/33kV ICT and on HV side for 400/220/33kV ICT. relay coordination Further, Numerical Back-up Over-current and earth fault protection on HV & MV side of autotransformer shall not be combined with other protective functions (except back up Impedance protection) in the main relays and shall be independent relays. Besides these, power transformers shall also be provided with Xxxxxxxx relay, protection against high oil and winding temperature and pressure relief device etc. Suitable monitoring, control (operation of associated circuit breaker & isolator) and protection for LT auxiliary transformer connected to tertiary winding of auto- transformer for the purpose of auxiliary supply shall be provided. The Over current and open delta other necessary protection is required to shall be provided for the auxiliary transformer. These protection and control may be provided as built in feature either in the bay controller to be provided for the auxiliary system or in the control & protection IEDs to be provided for autotransformer.