Smart relays - Federal Elektrik - #5

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Untitled table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:5.00pt "Arial", sans-serif; } .font1 { font:6.00pt "Arial", sans-serif; } .font2 { font:8.00pt "Arial", sans-serif; } .font3 { font:16.00pt "Arial", sans-serif; } .font4 { font:11.00pt "Lucida Sans Unicode", sans-serif; } .font5 { font:6.00pt "Microsoft Sans Serif", sans-serif; } .font6 { font:14.00pt "Palatino Linotype", serif; } SMART RELAY such as mechanical imbalance, bearing problems, bearing sleeve problems, motor shaft problems, crack or breaking in rotor bars, insulation problem in stator windings and line cables, over oiling or lack of oil, mechanical problems in driven System (gear box, compressor, fan, pump, press, conveyor etc.), friction or failure in fan knives, wearing in pump seal. V) Stop the System: This is a second degree alarm. This is the indicator warning the user in cases of failures occurring in the system and reaching the peak in time. When this warning is encountered, the system should immediately be taken to maintenance. It is inévitable to have electrical and/or mechanical failure any time. When SmartFR gives "Stop the System" warning, "NO" contact is closed. In this way, machine operators can be warned by a warning system (A flashing light or siren when NO contact is closed) to be controlled by "NO" contact. 2. PROTECTION SYSTEM: The protection system can be considered as a system containing both phase protection relay and thermal relay. It has 3-led status indicator. I) System Normal: This is the led flashing with 1 second intervais to show unproblematic opération of the system at normal operating point. II) Over Current: If the system driven by ACA motor needs more power due to overloading or if there is a failure in mechanical part of the driven system, AC motor shall start drawing a higher current than the nominal current from the network. If no measure is taken against this over current drawn from the network, motor windings shall inevitably burn. Smart FR measures current of each phase, if the current passing through at least one phase is higher than 20% of the nominal current, motor is disabled for protection according to opening time curve. III) Phase Faults: (1) Phase Failure: When at least one of the phases is broken off, AC motor cannot operate normally. Vibration is observed in the system, if the energy supplied to the motor is not eut off, motor windings burn and motor is deformed after a particular time. Smart FR checks ail three phases against phase failure, if it détermines that there is a failure in any phase, it protects the motor by breaking energy of the contactor coil driving the motor. After phase failure is eliminated, system can be enabled again by pressing and holding "Delete Fault" button. (2) Phase Level: If voltage level goes down in at least one phase, motor starts to operate imbalanced. In such a case, if energy supplied to the motor is not broken, motor may be deformed. Smart FR checks voltage level of each phase, if voltage level of at least one phase goes below 20% of the nominal voltage, it protects the motor by breaking the energy. After phase level problem is eliminated, system can be enabled again by pressing and holding "Delete Fault" button. (3) Phase Séquence: In applications where motor rotating direction is important, R, S, T phase séquence should be known. Smart FR instantly checks phase séquence of the line connected to busbars in first drive. If the séquence is right, System is enabled; if not, system is not enabled. At the same time, it periodically checks the phase séquence while the system is in opération and breaks energy to the motor if phase séquence has changed due to any reason. After phase séquence problem is eliminated, system can be enabled again by pressing and holding "Delete Fault" button. Connection Diagram Control Unit 220V AC l| n Be careful not to connect Smart FR supply and contactor supply on the same phase. Technical Dimension: TE Technical Spécifications: Type : SmartFR Current Adjustment Area : 8-32A Opening Class Rated Impact AC -15 Voltage (Uimp) Operating Voltage Operating Frequency Operating TempératAuxiliary Contacts NO: 5A @ 250V AC NC: 5A @ 250V AC 6000V 220V AC 50 Hz -25°C, +55°C 1NO, 1NC 3A @ 30V DC 3A @ 30V DC 13/3 FEDERAL