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Protection relays and transformers - 18 Pages

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Protection relays and transformers

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Protection relays and transformers Introduction · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 3 Product selection table· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 6 Beacon control relays · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·...

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Protection relays and transformers Protection relays and transformers CIRCUTOR offers a range of protection relays for different and specific applications. Many of these products have been designed in compliance with the corresponding specifications, always catering for the needs of our clients. Our range of products includes simple relays that are very easy to use, such as current relays, or even protection relays used to assemble cells in substations. We can highlight the following applications in this section: }} Beacon control relays }} Current control relays }} Harmonics relays }}...

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Protection relays and transformers Protection transformers Selection table of the type of transformer, in accordance with the list of transformers between the nominal current of the primary (Ip) and secondary (Is) 5 000/5 4 000/5 - There are two types of transformers: }} TRM: Measurement transformers en- CIRCUTOR offers a complete range of current transformers encapsulated in resin. One of the advantages of this type of transformers is that they increase the degree of robustness (high mechanical resistance, high electrical rigidity, tropicalization, etc.). In addition, this range fully...

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Protection relays and transformers the measurement unit. Induced power must be equal to or more than the line losses plus the power consumed by the measurement equipment. in measurement transformers and at 100% of the nominal power. In the case of protection transformers, only at 100% of the nominal power. The transformer's response to saturation Power losses due to the transmission of current through the cabling resistor RL of the secondary cabling circuit of the transformer. Factors that must be taken into account: }} Secondary current. PL = RL • I 2 }} Cable diameter. RL is inversely...

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Protection relays and transformers Beacon control equipment Beacon control equipment Harmonics relay Current relay Earth leakage current station Transformer overload protection relays Protection and measurement transformer Product selection table Measurement transformers

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Control relays Beacon control relays Description The TB type Beacon control system is in charge of the supervision, control and indication of anomalies detected in the different Beacon components of the telephony transmission towers. TB / TB-55 Features: }} Control and measurement of the consumption of the two sets of independent ballasts(230 Vac power supply): the main circuit and the reserve circuit. The reserve circuit is connected when there is a fault in the main circuit or when a lamp goes out. }} Control inputs of the two twilight photocells on the tower. When the light level is...

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Control relays Beacon control relays POWER SUPPLY TEST TEST

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Control relays Beacon control relays Description The TB-3 type Beacon control system is in charge of the supervision, control and transmission of anomalies detected in the different Beacon components of the telephony transmission towers. TB-3 Features: }} Start-up control and measurement of the consumption of a single Beacon circuit: group of 1, 2 or 3 75W/230V or 15W/230Vac lamps. }} Inputs for a twilight photocell. The photocell will be supplied with the unit and is connected with the corresponding terminals (+ and - inputs of the photocell). }} Adjustments of the TB-3 yy Power of the 15...

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Control relays Beacon control relays BLACK WIRE ALARIIA FOTOCfiJJLA

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Control relays RV-M / RV-T / RV-TS Voltage detector control relay Description Electronic relay for protection and continuous voltage monitoring. yy Protection against voltage surges, triggers at voltages higher than 265 V. Trigger time according to the voltage value less than or equal to: yy 300 V triggers after 3 s yy 350 V triggers after 800 ms yy 400 V triggers after 200 ms yy Protection against voltage drop, triggers at voltages less than 160 V. Fixed trigger time of 300 ms. yy Error in phase sequence (incorrect phase connection order for RV-T. Fixed trigger time 1 s. yy The RV-TS type...

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