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TRANSOKRAFT N1

Product catalog summary

Overview
The document outlines the Transokraft analog inverters, which are designed to deliver uninterrupted AC power to critical systems, independent of the main power grid. These inverters are essential in environments where power outages can cause significant financial and safety issues, such as in nuclear, hydropower, and fossil energy plants, as well as the chemical industry.

Specifications and Features

Compliance with various standards including CE Mark, EMC directive, Safety directive, KTA 1401, RCC-E, ISO 9001 & ISO 140001, and IAEA 50-C-Q.
Utilizes 100% analog regulation and monitoring technology, avoiding software or programmable devices.
Features seismic-proof technology and redundant fan configuration for enhanced reliability.
Short circuit proof with high output short circuit capability (up to 600% of nominal current).
Designed for 100% asymmetric load and fast dynamic response, with a design lifetime exceeding 30 years.
Facilitates easy maintenance through diagnostic devices.

Product Variants

Transokraft 3 N1: Available in 220 VDC with power ratings of 30, 50, 80, 120, 170, 200 kVA and 110 VDC with 20, 40, 60, 80 kVA.
Transokraft 1 N1: Available in 220 VDC with power ratings of 10, 20, 40, 60, 80 kVA and 110 VDC with 10, 20, 40, 60 kVA.

Functional Description

The inverter converts DC voltage to regulated, sinusoidal AC voltage using a three-phase current bridge circuit with IGBTs, transformers, and AC filters.
Output voltage is continuously monitored and adjusted to maintain stability, with a static voltage tolerance of ±1%.
Includes a Static Bypass Switch (SBS) for seamless transition between inverter and mains supply during overloads or malfunctions.

Monitoring and Control

Equipped with control instruments, indicators, and interfaces for system monitoring and management.
Remote monitoring solutions include Modbus, Profibus, TCP/IP, IEC61850, and more.
Diagnostic devices provide data for annual checks and support commissioning and failure indication.

Certifications and Applications

Certified for use in nuclear power plants across various countries including Argentina, Belgium, Canada, China, and more.
Designed to meet international standards such as KTA, RCC-E, CSA, IEEE, and others.

Conclusion
The Transokraft inverters provide a robust solution for ensuring uninterrupted power supply in critical applications, emphasizing reliability, compliance with international standards, and ease of maintenance.

Additional Specifications

Cooling System: Forced natural air cooling with integrated underpressure chamber and redundant fans.
Coating: Powder-coated RAL 7035, with options for different colors.
Protection Class: IP20 (DIN 40 050), with options for different IP ratings.
Dimensions: Width: 900 mm or 1200 mm; Depth: 800 mm; Height: 1800 mm or 2200 mm.
Weight: Ranges from 550 kg to 1300 kg depending on configuration.
Operating Temperature: 0 °C to +40 °C with relative humidity of 20 – 80%.
Storage Temperature: -30 °C to +75 °C with relative humidity of 20 – 95%, non-condensing.
Installation Height: Up to 1000 m above sea level without de-rating.
Cable Entry: Bottom, with top-entry available on request.

Environmental Standards

IEC 60721-3-1, 2, 3 for storage, transport, and operation.

Standards

Safety: IEC 62040-1
EMC: EN 61000-6-2, EN 61000-6-4, EN 62040-3
Performance: EN 62040-3, EN 60146-1-1
Protection: IEC 60529, IEC 60364-4-41
Environmental: IEC 60721-3-3
Qualification: IEC, KTA 3704, RCC-E 2012 & 2016

Power Specifications

Transokraft 1 N1: Power range from 10 kVA to 80 kVA with rated DC voltage options of 110 V and 220 V.
Transokraft 3 N1: Power range from 30 kVA to 200 kVA with rated DC voltage of 220 V.
Efficiency: Ranges from 87% to 94% depending on load and configuration.
Noise Level: Less than 73 dB(A) at a distance of 1 m.

Performance Metrics

Voltage Ripple: Permissible voltage ripple (Urms) is less than 5% of Ugnom.
Voltage THD Factor: Less than 3% across the entire load and DC voltage range.
Overload Behavior: Capable of handling 150% overload for 1 minute and 125% for 10 minutes.
Short Circuit Performance: Various configurations offer different short circuit current capabilities.

Additional Features

Diagnosis plug for annual checks.
Customizable options for voltage, color, and IP ratings.

Catalog excerpts

Secure independent AC supply The analog Transokraft inverters are suitable to secure uninterrupted supply to critical loads which require an AC voltage supply independent of the mains power system and the faults which may occur. This independent supply avoids interruptions to the connected loads caused by mains power failures, mains voltage deviations or mains frequency deviations, any of which may result in considerable financial costs and physical danger. Typical applications • Nuclear power plants • Hydropower plants • Fossil energy plants • Chemical industry CERTIFICATIONS BENEFITS Our quality program is structured to meet the requirements of: • CE Mark • EMC directive • Safety directive • KTA 1401 • RCC-E (details on request) • ISO 9001 & ISO 140001 • IAEA 50-C-Q • 100 % analogue regulation and monitoring technology • No software or programmable devices • Seismic-proof technology • Fans in redundant configuration via additional vacuum chamber at top of unit, replacement from the front • Short circuit proof constant current source • High output short circuit capability (up to 600 % of nominal current is possible) • Start of Motors (6*In) / offers high startup current • Constant current source independent of the output voltage level variations • Designed for 100 % asymmetric load and fast dynamic response • Maximum reliability • Design lifetime >30 years • Designed for use in

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POWER COMPETENCES FOR NUCLEAR AND HEAVY-DUTY CRITICAL APPLICATIONS Decades of experience Since 1947, AEG has been a well-respected and recognized manufacturer of equipment for all types of power generation plants including conventional, nuclear, wind and solar as well as for power transmission and distribution. This led us to adapt our solutions and to leverage our strong expertise to the growing CSP applications market and to other renewable energy solutions. Inverter efficiency of the 170 kVA Transokraft 3 N1 AEG Power Solutions has a long and reliable history in nuclear applications; our NPP...

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TOPOLOGY & OPERATION Safe rail Power system Rectifier external Rectifier external A1 – A6 inverter IGBT stack Safe rail Power system Battery A10 magazine inverter Power flow from the mains supply to the rectifier Power flow if the inverter is malfunctioning Operating & Monitoring the system Monitoring and Interface The inverter incorporates the necessary control, instruments and indicators to allow the operator to monitor the system status and performance and take any appropriate action. Furthermore, additional interfaces are available upon request to allow extended monitoring and control, as...

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MONITORING, TESTING AND REMOTE MANAGEMENT Mains mode / test mode In this operating mode, the loads are switched over to mains supply by means of the SBS. At the same time, the loads are electrically isolated from the inverter by means of the inverter output contactor. This mode is also suitable for testing and performing measurements on the inverter without affecting the loads. This mode should be selected for an attempted restart if the inverter has switched off due to a malfunction, in order to avoid changing back to inverter mode inadvertently. There is no supply to the loads if there is a...

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TRANSOKRAFT 1 N1, 220 V POWER AT COS φ = 0.8 lag (kVA) Rated DC voltage Current consumption at Ugnom Permissible voltage ripple (Urms) Voltage ripple produced by inverter Irms at Pnom Rated AC voltage Deviation stat. Deviation dyn. (at load surge 0 – 100 % – 0 without mains support) Settling time Setting range of the output voltage Frequency without mains synchronization Synchronization range Power factor range Nominal current output per phase/cos φ = 0.8 lag Voltage curve Permissible non-linear load Voltage THD factor Interference suppression Crest factor Overload behaviour/performance Short...

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TRANSOKRAFT 3 N1, 220 V POWER AT COS φ = 0.8 lag (kVA) Rated DC voltage Current consumption at Ugnom Permissible voltage ripple (Urms) Voltage ripple produced by inverter Irms at Pnom Rated AC voltage Deviation stat. Deviation dyn. (at load surge 0 – 100 % – 0 without mains support) Settling time Setting range of the output voltage Frequency without mains synchronization Synchronization range Power factor range Nominal current output per phase/cos φ = 0.8 lag Voltage curve Permissible non-linear load Voltage THD factor Interference suppression Crest factor Overload behavior/performance Short...

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Transokraft 1 N1 and 3 N1; 220 V GS TRANSOKRAFT 1 N1 220 V GS Cross sectional configurations acc. to DIN 0298, part 4, table 3, routing type B1/ B2 TYPE POWER 10 kVA Fusing of direct current input (A) 63 Min. cross section (mm²) 10 Max. cross section (mm²) 2 x 95 Direct current input X1 Fusing of bypass (A) 50 Min. cross section (mm²) 10 Max. cross section (mm²) 2 x 95 SBS (Thyrostat) input X4 Load output X3 Max. fusing of loads (A) 10 Min. cross section (mm²) 10 Max. cross section (mm²) 2 x 95 Max. cross section of signal cabeling X1 – A12 (mm²) TRANSOKRAFT 3 N1 220 V GS Cross sectional configurations...

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TRANSOKRAFT N1

TRANSOKRAFT N1

Catalog excerpts

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