Isolation transformers

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Safety Insulating Transformers FSIT Series ................................................................................ .................................................................. ..........................................................................

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View 5 10 1 6 �  0.7 20.5 MAX 35.5 MAX 35.5 MAX �  0.7 25.4 TYP Bottom View 1 7 6 13 5.08 TYP 25.5 MAX .............. .............. FSIT 25 Series & FSIT 29 Series Flyback Safety Insulating Transformers Electrical Data FSIT 25

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.3 2.5 ±0.3 FSIT 13 FSIT 16 Bottom view 17 MAX Ø 0.6 19 MAX 19.5 MAX 10 1 7 5 2.7 x 5 = 13.5 ±0.5 12.2 ±0.5 3.5 x3 = 10.5±0.5 Typical Dimensions (mm) FSIT 13 Series & FSIT 16 Series Flyback Safety Insulating Transformers Electrical Data - FSIT 13

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SMD Power Inductors and Transformers The possible functions in the SESI design .................... ...................................... ................ .............. .............. .............. .............. ............................ ............................................ .............................. .............................. .................................. .............................. .................................. .............................. ................................ .............................. ...................................... .............................................................. .................................. .................. ................................ .................................... .................................... ............................ ................................ .................................. .................................... ................................ 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5 TYPICAL REDUNDANT AND FULLY ISOLATED DESIGN STABILIZER CONTROL PANEL RECTIFIER ISOLATION TRANSFORMER BYPASS ISOLATION TRANSFORMER STS CONTROL PANEL INPUT INPUT RECTIFIER CONTROL PANEL MANUAL BYPASS SWITCH DISTRIBUTION PANEL INVERTER ISOLATION TRANSFORMER INVERTER CONTROL

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2 Industrial UPS System The system consists of rectifier / charger, inverter, static bypass, maintenance bypass, rectifier isolation transformer, inverter isolation transformer, bypass line isolation transformer, automatic line stabilizer, DC distribution, AC distribution, controls

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? Pipeline control centers ? Airport, avionics and airfields ? Railways and metro lines ? Hospitals and healthcare ? Security and Alarm equipments ? Defense NORMAL OPERATION The rectifier with input isolation transformer converts normal input AC power info DC for the inverter and DC loads

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Total Harmonic Distortion (ThDv) at Linear Load 85% / >90% depending on DC Bus Voltage Isolation Transformer Galvanically Isolated (standard) Short-circuit behaviour: 3 x Nominal Output Current Protection Short Circuit Protection, Over Voltage Protection, Under Voltage Protection, Over Current

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± 2% Load Level 300% Bypass Isolation Transformer Galvanically Isolated (optional) Voltage Stabilizer Servo or Static Controlled with front panel (optional) Inverter/Bypass transfer time Inverter failure Max. 5 msec. Overload or manual transfer 0 msec. Bypass/Inverter transfer time 0 msec

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www.victronenergy.com Victron Energy B.V. | De Paal 35 | 1351 JG Almere | The Netherlands General phone: +31 (0)36 535 97 00 | Fax: +31 (0)36 535 97 40 E-mail: sales@victronenergy.com | www.victronenergy.com Safety and prevention of galvanic corrosion The isolation transformer eliminates

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Victron Energy B.V. | De Paal 35 | 1351 JG Almere | The Netherlands General phone: +31 (0)36 535 97 00 | Fax: +31 (0)36 535 97 40 E-mail: sales@victronenergy.com | www.victronenergy.com Isolation Transformers 2000 Watt (1) 3600 Watt (1) 7000 Watt Input and output voltage 115 / 230V 115 / 230V

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ENG L I S H TTH Transformers Dry type transformers with air insulated MV windings TTR TTO OTN, OTR, OTF reactors TTH

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Transformers are dry transformers with air insulated MV windings. The percentage of insulation material in respect to the total weight of the transformer is really quite low; they should therefore be used as an alternative to the TTR resin transformers to subsequenty reduce the smoke hazard in case of fire

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Table 1 Insulation Class Distance from solid and smooth walls Distance from meshed or sharp-cornered walls 7,2 12 17,5 24 36 90 120 160 220 320 300 300 300 300 400 Connections SEA TTH transformers with standard design provide LV busbar and MV connection from the top. The connection instructions

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assembly Final assembly is carried out with care and accuracy. The assembly accuracy is fundamental to guarantee an optimal performance of the transformer versus the electrodynamic stresses caused by possible short circuits. Besides, since the insulation is assigned to air, the electric connection paths

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Testing All transformer are tested at our test room with routine tests in compliance with IEC60076-11, that is: • measurement of the winding resistance • measurement of the transformation ratio and control of the connection group • measurement of the losses and of the short

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ENG L I S H TT0 Transformers Distribution transformers immersed in insulating liquid TTR TTO OTN, OTR, OTF reactors TTH

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be manufactured. Please contact our engineering or commercial departments for further details. TTO Transformers The SEA TTO transformers are immersed in insulating liquid. As they can be used outside within the most difficult industrial environments and their price is competitive, the SEA TTO Transformers

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. During this stage, the transformer is equipped with the standard accessories or as provided for by the customer’s specification. Insulating oil The fluid generally referred to as “insultating oil” has a double function: • dielectric: enters any interstice and impregnates the solid insulating

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in the highest layers and control (through the two contacts) the alarm and trip relays in the control room. Buchholz Relay (for transformers with oil conservator only) This device is interpositioned inside the connection pipe between the lid and the conservator. It intercepts and collects possible gas bubbles

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Technology Magnetic core The core is formed by grain oriented magnetic sheets, with a high permeability and reduced specific losses, separated by an inorganic insulation (carlite). The special cutting and assembly of the core allow the “STEPLAP” joints which reduce noise as well