Data logger for measurement device
US-9752923-B2 · Sep 5, 2017 · US
Method to determine a dry-out period of a converter of a wind turbine
US10428803B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10428803-B2 |
| Application number | US-201715405622-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 13, 2017 |
| Priority date | Apr 18, 2016 |
| Publication date | Oct 1, 2019 |
| Grant date | Oct 1, 2019 |
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Abstract
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A method to determine a dry-out period of a converter of a wind turbine is provided. A time dependent chronology of data is measured in the converter. The measured data-chronology reflects the actual humidity and the humidity-history in the converter cabinet. The measured data-chronology is used to determine a dry-out period of time, which is needed to reduce the humidity inside the converter below a given value by circulating heat inside the converter.
First claim
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The invention claimed is: 1. A method to determine a dry-out period of a converter of a wind turbine, comprising: measuring a time dependent chronology of data in the converter, wherein the time dependent chronology of data reflects an actual humidity and a humidity-history in a converter cabinet; and determining a dry-out period of time using the time dependent chronology of data measured prior to operation of the wind turbine, which is needed to reduce a humidity inside the converter below a given value by circulating heat inside the converter. 2. The method according to claim 1 , wherein temperature-data are measured to form an additional part of the time dependent chronology of data. 3. The method according to claim 1 , wherein the time dependent chronology of data is measured by a sensor, which is placed at or in the converter or in the converter cabinet. 4. The method according to claim 1 , wherein a data logger is used to store the time dependent chronology of data. 5. The method according to claim 4 , wherein the data logger is powered by a battery. 6. The method according to claim 1 , wherein the time dependent chronology of data is processed for calculating the dry-out period.
Assignees
Inventors
Classifications
Monitoring or testing of wind motors, e.g. diagnostics (testing during commissioning of wind motors F03D13/30) · CPC title
Aeration, ventilation, dehumidification or moisture removal of closed spaces · CPC title
- F03D80/60Primary
Cooling or heating of wind motors · CPC title
Air humidity · CPC title
Wind turbines with rotation axis in wind direction · CPC title
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- What does patent US10428803B2 cover?
- A method to determine a dry-out period of a converter of a wind turbine is provided. A time dependent chronology of data is measured in the converter. The measured data-chronology reflects the actual humidity and the humidity-history in the converter cabinet. The measured data-chronology is used to determine a dry-out period of time, which is needed to reduce the humidity inside the converter b…
- Who is the assignee on this patent?
- Siemens Ag
- What technology area does this patent fall under?
- Primary CPC classification F03D80/60. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Oct 01 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).