Price and Availibility |
| 02-15 02:17:42 来源： 作者： |
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Price and Availibility Inquiry (采购产品): Price and Availibility Dear Sir/Madam, We, STM, are responsible for the procurement for Turkish Navy's TCG Heybeliada (MILGEM Corvette). We are looking for UPS and static frequency converters with the specifications listed below. Please let us know that you are capable of manufacturing these equipments. Depending on your answer, detailed specifications and standards will be sent. Please respond until February 18th, 2009. The electrical requirements are listed below. Frequency Converters (Total:2) 1. Voltage Characteristics; 1.1.Voltage: 440 V, 3 phase 1.2.Voltage tolerance: %10 1.3.Frequency: 0 Hz 1.4.Frequency tolerance: %5 2.Output: 440 VAC, 400 Hz, 3 phase, 3 wired, 3.Power; 3.1.Static Converter 1-2: 62.5 kVA 3.2.Power Factor: 0.8 inductive 3.3.: %85 at %100 load 3.4.: At least 1 hour at %110 load : At least 10 minutes at %130 load : At least 1 minute at %150 load 3.5.Output crest factor : At least 3 at %100 load 3.6.Output Wave Form: %100 sinusoidal 4.Dimensions : 1400 x 1500 x 680 mm (w x h x d) 5.Weight: max. 860 kg (400 kg is preferred) 6.Distance between Frequency Converters: 40 mt. (app. 60 mt. Of cable length) 7.Operation Modes; 1.Stand alone Operation 7.2.Synchronous Mode:Shared load of 5% Uninterruptable Power Supplies (Total:2) 1. Input:440 VAC, 60 Hz, 3 phase, no neutral point 2. Output:115 VAC , 60 Hz, 3 phase, no neutral point, 2.2.Voltage tolerance : ≤ ±%2 2.3.Voltage dynamic tolerance: < ±%22 2.4.Frequency tolerance: < ±%3 2.5.Total harmonic distortion: < ±%2 (Output Voltage) 2.6.Power Factor: 0,8-1 inductive 2.7.Power: 13 kVA 2.8.Short Circuit Current: > %200 (Al least 30 seconds) 2.9.Overload :At least 1 hour at %110 load, At least 10 minutes at %130 load,At least 1 minute %150 load 2.10.Crest Factor: Al least 3 2.11.Wave Form: %100 sinusoidal 2.12.Instantaneous Dischage Current: > 10xIn 2.13.Efficiency : ≥ 0,85 (at nominal load) 3.Operation Class: S1 (continuous Operation) 3.1.Operation period during network failure: at least 15 minutes 4.Dimensions: 1500 x 1500 x 680 mm (w x h x d) 5.Weight: max. 1000 kg 6.Distance between UPSs: 40 mt. (app. 60 mt. Of cable length) 7.Operation Modes ; 7.1.Stand alone Operation 7.2.Synchronous Mode: Shared load of 5% The UPSs will be grouped as rectifier, inverter and battery groups. Rectifier would have thermal compensation and would be 12 pulsed. UPSs would charge empty batteries within 10 hours. The input and the output of the UPSs would be isolated by galvanizing. For this purpose, a transformer with 3 windings should be used. UPSs would be controlled by microcontrollers. The semiconductor type that would be on inverter is IGBT. The switching of inverter would be Pulse Width Modulation switching. Rectifier-inverter and battery groups would be seperately packed. Batteries will be Ni-Cd. Best regards. Nurullah KA?MAZ **** Hidden Message ***** Ahmet Nurullah KA?MAZ 34890 TUR Company: Defence Technologies A.?. E-mail: nkacmaz@stm.com.tr **** Hidden Message ***** nkacmaz@stm.com.tr |
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