We are interested in the following units which can be used in stabilizers:1- Transformer 5 kVa2- Transformer 10kVa3- Transformer 15 kVa4- Transformer-Compensator for 5 kVa5- Transformer-Compensator for 10 kVa6- Transformer-Compensator for 15 kVaTransformer and Compensator have to be manufactured using copper and must be able to provide output 220 Volts under condition of input 150-260 Volts.Please be so kind as to give the price and weight of these units.Country:Ukraine