Title
Phnomnes lectriques sur une couche de glace fondante: tude exprimentale et numrique du courant de fuite sur une couche,Used
Delivery time: 8-12 business days (International)
De la source dnergie exploite jusqu la consommation de llectricit il existe tout un rseau de transport constitu de pylnes, disolateurs et de lignes de transmission. Or, ces rseaux, lorsquils sont situs dans les rgions climat froid, se trouvent parfois exposs aux problmes lis au givrage atmosphrique. En effet, une couche de glace peut saccumuler sur les isolateurs. Lorsque cette couche fond en surface suite au rayonnement du soleil par exemple, une redistribution du champ lectrique le long de lisolateur peut entraner lapparition darcs lectriques partiels, voir mme un contournement lectrique de lisolateur des niveaux de tension beaucoup plus faible quen absence de glace. Lobjectif de ce projet de recherche porte sur ltude des phnomnes lectriques se produisant la surface dune couche de glace en prsence dun arc lectrique. Plusieurs phnomnes lectriques ont t observs : la priode de dcharge lectrique ; la priode o lchantillon de glace a un comportement rsistif ; et la priode o lchantillon de glace semble tre en rsonnance avec larc lectrique.
By changing our most important processes and
products, we have already made a big leap forward. This ranges from the
increased use of more sustainable fibers to the use of more
environmentally friendly printing processes to the development of
efficient waste management in our value chain.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.