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■ 產品簡述

當傳動應用中需要電機快速或精確的減速時，為了獲得所需的制動轉矩，并避免在減速過程中產生過高的泵升電壓影響設備的安全運行，應當使用NS-CDBR系列制動單元。
When fast or precise deceleration of the motor is required in the drive application, the NS-CDBR brake units should be used in order to obtain the required braking torque and to avoid excessive pump rise voltage during deceleration affecting the safe operation of the equipment.
所有的NS-CDBR產品，均來自高度可靠的設計和精良的制造技術，NS-CDBR的每一件產品都能發揮最大的效能，同時獲得良好的制動效果。NS-CDBR系列重載型制動單元電壓、功率范圍：220V-690V；15KW-400KW。
NS-CDBR products with highly reliable design and sophisticated manufacturing technology, NS-CDBR each product can maximize performance, while getting a good braking effect.NS-CDBR series of heavy-duty braking unit voltage, power range: 220V-690V; 15KW-400KW.

■ 產品特點

1、應用性：適合于各種進口或者國產低壓變頻器能耗制動（三相異步.永磁同步電機）
Utity： Suitable for a variety of imported or domestic low-voltage drive energy consumption brake (three-phase asynchronous. Permanent magnet synchronous motor)
2、安全性：采用先進的電力電子技術和高性能的IGBT作為開關器件，電壓自動跟蹤，品質可靠安全，特殊設計，可使用 普通電阻，不必選擇無感電阻器。
Security： The use of advanced power electronics and high-performance IGBT as a switching device, voltage automatic tracking, reliable quality and safety, special design, the use of ordinary resistance, no choice no sense resistor.
3、經濟性：性價比高，品質可與同類進口產品相媲美，功率齊全，每個功率范圍都有單臺制動單元選用也可并聯使用。
Efficiency：cost-effective, comparable quality with similar imported products, power is complete, each power range has a single brake unit selection, but also can be used in parallel.

■ 性能參數

制動方式：電壓跟蹤方式
Braking method : Voltage tracking method
反應時間：1ms以下，有多重噪聲過濾算法
Response time ：1ms below, there are multiple noise filtering algorithm
電網電壓：如380Vac,45-66HZ
Grid voltage ：such as 380Vac, 45-66HZ
動作電壓：690Vdc，誤差±2V
Action voltage ：690Vdc, error ± 2V
滯環電壓：10V
Hysteresis voltage ：10V
保護/散熱：過熱，過電流，短路/內置散熱風扇
Protection / cooling：overheating, overcurrent, short circuit / built-in cooling fan
噪聲濾波：有
Noise filtering：Yes
防護等級：IP20
Protection level: IP20

■ 產品識別碼

■ 產品尺寸圖

■ 制動單元與變頻器間的接線如下圖所示

■ 制動電阻的選擇

NS-CDBR能耗制動單元 380伏電網匹配電阻推薦表(電阻值決定制動力矩，電阻功率取決于制動頻率Kc；下表制動力矩約100% 145%，Kc=10% 20%時的電阻功率)
NS-CDBR Energy Consumption Braking Unit 380 Volt Grid Matching Resistance Recommended Table (The resistance determines the braking torque. The resistance depends on the braking frequency Kc. The braking resistance in the following table is about 100% 145%, Kc = 10% and 20% power)
ED10%.起始斬波電壓VDC=760適用普通機械設備，10層以下電梯選用，起重機大小車選用。
ED10%. Initial chopping voltage VDC = 760 For ordinary machinery and equipment, elevator use less than 10 floors, the use of cranes car.

ED20%.起始斬波電壓VDC=760適用中等機械設備，20層以下電梯選用，起重機大小車選用。?

ED20%. Initial chopping voltage VDC = 760 For medium-sized machinery and equipment,elevator use below 20 floors, crane car selection.