建筑应用电工技术问答 芮静康 主编 中国电力出版社【正版书】

Brand: 中国电力出版社    Sold By: EM China
建筑应用电工技术问答 芮静康 主编 中国电力出版社【正版书】
建筑应用电工技术问答 芮静康 主编 中国电力出版社【正版书】
建筑应用电工技术问答 芮静康 主编 中国电力出版社【正版书】
建筑应用电工技术问答 芮静康 主编 中国电力出版社【正版书】

建筑应用电工技术问答 芮静康 主编 中国电力出版社【正版书】

Brand: 中国电力出版社    Sold By: EM China
$28.06 In Stock
Item can be returned in its original condition for a full refund or replacement within 30 days of receipt.
Ships from China, Arrives in 7-14 business days
Delivery:
08
November2024
-
19
November2024
Delivery guarantee
$5 Credit If Delayed
Full Refund If Item Is Damaged
15-Day Full Refund If No Updates
30-Day Full Refund If Not Delivered

100% Satisfaction Guarantee

Amazing Value

Fast Shipping

Expert Customer Service

建筑应用电工技术问答 芮静康 主编 中国电力出版社【正版书】

建筑应用电工技术问答 芮静康 主编 中国电力出版社【正版书】

$28.06

内容简介本书是为电工人员精心编写的一本技术问答,特点是技术新颖、内容广泛、图文并茂、实用性强、通俗易懂、文字简明。
...
Product Details

内容简介
本书是为电工人员精心编写的一本技术问答,特点是技术新颖、内容广泛、图文并茂、实用性强、通俗易懂、文字简明。
本书内容包括:电机、变压器和高低压电器,供配电系统,建筑广播,电视系统,建筑安全监控防范系统,建筑消防系统,建筑通信系统,建筑电梯系统,建筑暖通空调系统,智能建筑、智能电工和智能电工学九大部分。
  本书可供建筑和其他行业的电工技术工人和技术人员阅读,也可供有关专业院校师生教学参考。
目  录
前言
章 电机、变压器和高低压电器
 节 电机
1-1 电机是怎样分类的?
1-2 异步电动机的工作原理是什么?
1-3 三相异步电动机的主要性能指标有哪些?
1-4 电机绕组有哪些种类?
1-5 电动机在运行中常见的故障有哪些?如何诊断?
1-6 电机绕组重绕时,应记录哪些技术数据?-
1-7 什么是每极每相槽数?如何试算?
1-8 什么是电机的极距和电机绕组的节距?
1-9 怎样计算每槽导体数?
1-10 怎样计算线圈导线的直径?
1-11 怎样初步校核槽满率?
商品详情

书名:建筑应用电工技术问答

定价:16元

作者:芮静康 主编

出版社:中国电力出版社

出版日期:2007-09-01

ISBN:9787508359991

字数:203000

页码:239

版次:239

装帧:平装

开本:32开

商品重量:

Shipping Overview: 

Shipping: Standard Domestic Shipping within the United States charges USD 4.99. Standard International Shipping from United Kingdom, Germany and Japan to the United States charges 14.99. 

Order Processing: Please allow 1-2 business days for order processing and preparation before shipment. 

Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. The average transit time is 3-7 business days. 

International Shipping: Currently, we only ship within the USA. 

Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.

Shipping Delays: 

Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.

Shipping Options:

  • Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.

  • Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.

  • Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.

  • Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.

Delivery Details:

  • Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.

  • Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.

  • Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.

Shipping Confirmation:

You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.

Order Modifications:

If you need to cancel or modify your order, please contact our customer support immediately.

Issues with Delivery:

If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.

Customer Support:

Our team is available 24/7 to assist you with any questions or concerns regarding your order. We are committed to ensuring a smooth shopping experience.

Return & Refund Policy Overview

Please review our return and refund policies below to ensure a smooth transaction process.

Return Policy

  • Duration: You have 30 days from receiving your item to initiate a return.

  • Condition: Items must be unworn, unwashed, with original tags and packaging intact.

  • Shipping Costs: Customers are responsible for return shipping costs.

  • Packaging: Ensure returned items are well-packaged to avoid damage during transit.

  • Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.

  • Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.

How to Return

  • Method: Returns must be sent back by mail to the address provided in the return instructions.

Return Label

  • Defective Products: Return labels are provided for defective items.

  • Non-Defective Returns: Customers are responsible for obtaining their return shipping label.

Product Conditions for Return

  • Eligible Products: Returns are only accepted for items in new condition.

Nonreturnable Items

Certain items are not eligible for return:

  • Electronic devices after 30 days (e.g., computers, laptops, Kindles)

  • Gift cards, prepaid game cards

  • Perishable goods, live insects, some jewelry, some health and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions

Refund Policy

  • Window: Eligible products may be returned within 30 days of delivery for a refund.

  • Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.

  • Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.

Claims

Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.

Exchange Policy

For the quickest service, return your original item and place a new order for the desired product once your return is accepted.

Return Address

EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366

Customer Support

Available 24/7 for any questions or assistance needed:

  • Phone: +1 636-312-5925

  • Email: cs@everymarket.com

 

内容简介
本书是为电工人员精心编写的一本技术问答,特点是技术新颖、内容广泛、图文并茂、实用性强、通俗易懂、文字简明。
本书内容包括:电机、变压器和高低压电器,供配电系统,建筑广播,电视系统,建筑安全监控防范系统,建筑消防系统,建筑通信系统,建筑电梯系统,建筑暖通空调系统,智能建筑、智能电工和智能电工学九大部分。
  本书可供建筑和其他行业的电工技术工人和技术人员阅读,也可供有关专业院校师生教学参考。
目  录
前言
章 电机、变压器和高低压电器
 节 电机
1-1 电机是怎样分类的?
1-2 异步电动机的工作原理是什么?
1-3 三相异步电动机的主要性能指标有哪些?
1-4 电机绕组有哪些种类?
1-5 电动机在运行中常见的故障有哪些?如何诊断?
1-6 电机绕组重绕时,应记录哪些技术数据?-
1-7 什么是每极每相槽数?如何试算?
1-8 什么是电机的极距和电机绕组的节距?
1-9 怎样计算每槽导体数?
1-10 怎样计算线圈导线的直径?
1-11 怎样初步校核槽满率?
商品详情

书名:建筑应用电工技术问答

定价:16元

作者:芮静康 主编

出版社:中国电力出版社

出版日期:2007-09-01

ISBN:9787508359991

字数:203000

页码:239

版次:239

装帧:平装

开本:32开

商品重量:

Shipping Overview: 

Shipping: Standard Domestic Shipping within the United States charges USD 4.99. Standard International Shipping from United Kingdom, Germany and Japan to the United States charges 14.99. 

Order Processing: Please allow 1-2 business days for order processing and preparation before shipment. 

Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. The average transit time is 3-7 business days. 

International Shipping: Currently, we only ship within the USA. 

Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.

Shipping Delays: 

Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.

Shipping Options:

  • Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.

  • Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.

  • Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.

  • Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.

Delivery Details:

  • Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.

  • Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.

  • Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.

Shipping Confirmation:

You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.

Order Modifications:

If you need to cancel or modify your order, please contact our customer support immediately.

Issues with Delivery:

If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.

Customer Support:

Our team is available 24/7 to assist you with any questions or concerns regarding your order. We are committed to ensuring a smooth shopping experience.

Return & Refund Policy Overview

Please review our return and refund policies below to ensure a smooth transaction process.

Return Policy

  • Duration: You have 30 days from receiving your item to initiate a return.

  • Condition: Items must be unworn, unwashed, with original tags and packaging intact.

  • Shipping Costs: Customers are responsible for return shipping costs.

  • Packaging: Ensure returned items are well-packaged to avoid damage during transit.

  • Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.

  • Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.

How to Return

  • Method: Returns must be sent back by mail to the address provided in the return instructions.

Return Label

  • Defective Products: Return labels are provided for defective items.

  • Non-Defective Returns: Customers are responsible for obtaining their return shipping label.

Product Conditions for Return

  • Eligible Products: Returns are only accepted for items in new condition.

Nonreturnable Items

Certain items are not eligible for return:

  • Electronic devices after 30 days (e.g., computers, laptops, Kindles)

  • Gift cards, prepaid game cards

  • Perishable goods, live insects, some jewelry, some health and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions

Refund Policy

  • Window: Eligible products may be returned within 30 days of delivery for a refund.

  • Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.

  • Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.

Claims

Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.

Exchange Policy

For the quickest service, return your original item and place a new order for the desired product once your return is accepted.

Return Address

EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366

Customer Support

Available 24/7 for any questions or assistance needed:

  • Phone: +1 636-312-5925

  • Email: cs@everymarket.com

 

Oops!

Sorry, it looks like some products are not available in selected quantity.

OK