<SPAN lang=EN-US style="FONT-SIZE: 14pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Quay ship high power frequency conversion<SPAN style="mso-spacerun: yes">&nbsp; </SPAN>power supply is especially used on ship, shore quay, where the environment is very bad, with high temperature, high humid, high erosive, and large load. All the PCB boards adopt coat solidification process, sine wave filter and output transformer which adopts whole vacuum dipping isolation lacquer and sprays high temperature protection lacquer, with high isolation degree and protection ability, completely accords with Chinese ship&#8217; classification society CCS attestation standard. It is widely used on ship, ship manufacture and repairing factory, ocean making hole flat roof and shore quay, where need to change 50Hz industry electricity to 60Hz high quality stable frequency and voltage power supply, and also for the equipments on the ship</SPAN>