罗东镇NB090-05-P2精彩心相印
四、直流调速器工作原理简单介绍: 直流调速器就是调节直流电动机速度的设备,上端和交流电源连接,下端和直流电动机连接,直流调速器将交流电转化成两路输出直流电源,一路输入给直流电机砺磁(定子),一路输入给直流电机电枢(转子),直流调速器通过控制电枢直流电压来调节直流电动机转速。同时直流电动机给调速器一个反馈电流,调速器根据反馈电流来判断直流电机的转速情况,必要时修正电枢电压输出,以此来再次调节电机的转速。
五、直流电机的调速方案一般有下列3种方式:1、改变电枢电压;2、改变激磁绕组电压;3、改变电枢回路电阻。
罗东镇NB090-05-P2精彩心相印

柴油发电机组输出电压不平衡原因有三:三相负载不平衡。发电机绕组有轻微短路。发电机制造缺陷(三相绕组匝数不相等)。此时还有可能会出现如下情况:发电机组输出功率下降,达不到用户的功率要求三相电压不对称,使发电机组中性点电位产生位移中性电流过大,使配电变压器运行温度升高,严重时会将变压器烧坏使有的相电压高,另外的相电压降低烧坏发电机,影响正常供电所以,柴油发电机组使用中一定要注意,不能三相不平衡,若不能改变它的输出功率,则需选择更换接线方式,以防造成发电机组损坏。
罗东镇NB090-05-P2精彩心相印

罗东镇NB090-05-P2精彩心相印
NB060-3-4-5-6-7-8-10-12-15-16-20-25-S2-P2
NB060-28-30-35-40-50-60-70-80-100-S2-P2
NB60-3-4-5-6-7-8-10-12-15-16-20-25-S2-P2
NB60-28-30-35-40-50-60-70-80-100-S2-P2
NB090-3-4-5-6-7-8-10-12-15-16-20-25-S2-P2
NB090-28-30-35-40-50-60-70-80-100-S2-P2
NB90-3-4-5-6-7-8-10-12-15-16-20-25-S2-P2
NB90-28-30-35-40-50-60-70-80-100-S2-P2
NB115-3-4-5-6-7-8-10-12-15-16-20-25-S2-P2
NB115-28-30-35-40-50-60-70-80-100-S2-P2
NB142-3-4-5-6-7-8-10-12-15-16-20-25-S2-P2
NB142-28-30-35-40-50-60-70-80-100-S2-P2
NB180-3-4-5-6-7-8-10-12-15-16-20-25-S2-P2
NB180-28-30-35-40-50-60-70-80-100-S2-P2
NB220-3-4-5-6-7-8-10-12-15-16-20-25-S2-P2
NB220-28-30-35-40-50-60-70-80-100-S2-P2

罗东镇NB090-05-P2精彩心相印
经淬火和低温回火后,工件表面具有高的硬度、耐磨性和接触疲劳强度,而工件的芯部又具有高的强韧性。化学热处理工件的主要技术参数是硬化层深度和表面硬度。硬化层深度还是要用维氏硬度计来检测。检测从工件表面到硬度降到5HRC那一点的距离。这就是有效硬化深度。化学热处理工件的表面硬度检测与表面淬火热处理工件的硬度检测相近,滚动FAG轴承噪音一种是FAG轴承本身产生的都可以用维氏硬度计、表面洛氏硬度计或洛氏硬度计来检测,只是渗氮厚的厚度较薄,一般不大于.7mm,这时就不能再采用洛氏硬度计了。
ZD SPEED CONTROL MOTOR 电机ZD GEAR HEAD 电机ZD电机 ZD带减速箱马达ZD PRECISION INDUSTRIAL HOLDINGS电机ZD PRECISION INDUSTRIAL HOLDINGS电机ZD400-S ZD400-S ZD400-SZD400-SZD400-SZD400-SZD400-SZD400-SZD400-SZD400-SZD400-SZD400-S台湾ZD电机ZD马达ZD电机 台湾ZD电机ZD马达 ZDMOTOR电机 台湾ZD PRECISION INDUSTRIAL HOLDINGS电机ZDMOTOR电机 ZS100-S ZD400-S ZD200-S ZD750-S ZD1500-S ZD2200-S ZD200-S ZH-2 1:20 ZS100-S ZD400-S ZD200-S ZD750-S ZD1500-S ZD2200-S ZD200-S ZH-2 1:20 51K60RGU-CFW + 5GU60K 51K120GU-S3F 5GU5KB 51K90A1-S-J 51K90RGU-CF 5GU60KB 5IK90RGU-CF 5GU60KB 5RK90RGU-CF 5GU60KB 5GN300K 5GU300K 5IK60GN-S3F 51K60GN-S3F 51K90GU-S3F 5RK60GN-S3F 5RK90RGN-S3F 51K60RGN-CF 51K60RGN-CF 51K60GN-CF 51K60GN-SF 51K90A-SF 5RK60A-SF 51K120GU-S3F 5GN50KB 51K90GU-S3B 41K25GN-S 4GN120K 5IK120RGN-CF 51K120RGN-CF 51K60RGN-CF 51K60GU-S3B 51K120GU-S3F51K120GU-S3MF51K60GN-S3M 51K60GN-S 21K6GN-C 21K6GN-CM 5IK60RGU-CFP 5GU5KB 51K90GU-CF 51K60RGU-CF 5GU300KB 51K90RGU-CF 5GU60KB 5IK90RGU-CF 5GU60KB 5RK90RGU-CF5IK60RGU-CF 31K15GN-C 31K15GN-CM 51K60GN-S3F 5GN300K 5IK60GU-S3MF 51K60GN-S3F 51K40GN-S3F 51K60GU-S3F 51K60GN-S3MF 3RK15RGN-CM 51K60A-AF 51K90A-AF 51K60RGN-CF 51K90RGN-CF 51K120RGN-CF 51K90GU-UN 51K90GN-UN 51K90GN-UM 51K90GU-UM 51K90RGN-C 5RK90GU-S3M 5RK120GU-S3MF 5RK60GN-C 5RK90GN-C 4RK25GN-C 3RK15GN-C 5RK90GU-UMF 5GU30K 5RK60GU-UMF 5GU75K 5RK120GU-CMF 51K120GU-GFW 51K120RGU-CFW 5GU7.5K 5GU60KB 5GN300K 51K90GU-S2M 51K60GU-S2M 51K40RGN-CM 51K40GN-S2 51K120A-AF 51K60A-AF 51K90A-AF 51K40A-AF 51K60RA-A 51K90RA-A 51K120RA-A 51K60RA-CF 51K40RA-A51K90GU-S3F 51K90GU-S3MF 5IK120A-AF 51K90GU-CF 51K120GU-CF 51K120RGN-CF 51K120GN-CF 5IK120GN-CFM 551K90RGN-CF 5IK90RGN-CF 5GN50K 41K25RGN-CM 51K90GU-S3F 51K90GU-S3F 4GN3.6K 51K40RGN-A 5GN180K 3RK15GN-C 3RK15GN-C 51K60GN-CMF 51K60GU-CMF 51K120A-SF 5RK40GN-C 3IK15RGN-C 31K15RGN-C 5GN10XK 5GN10K 41K25A-S3 51K90A-S3
21K6GN 2RK6GN 21K6RGN 2RK6RGN 31K15GN 3RK15GN 31K15RGN 3RK15RGN 41K25GN 41K25RGN 4RK25RGN 51K40GN 5RK40GN 51K40RGN 5RK40RGN 51K60GN 5RK60GN 51K60RGN 5RK60RGN 2IK6GN-A(M)
2IK6A-A(M)
2IK6GN-C(M)
2IK6A-C(M) 2RK6GN-A(M)
2RK6A-A(M)
2RK6GN-A(M)
2RK6A-C(M) 6W 2IK6RGN-A(M)
2IK6RA-A(M)
2IK6RGN-C(M)
2IK6RA-C(M) 2RK6RGN-A(M)
2RK6RA-A(M)
2RK6RGN-A(M)
2RK6RA-C(M)
15W 3IK15GN-A(M)
3IK15A-A(M)
3IK15GN-C(M)
3IK15A-C(M) 3RK15GN-A(M)
3RK15A-A(M)
3RK15GN-C(M)
3RK15A-C(M) 15W 3IK15RGN-A
3IK15RA-A
3IK15RGN-C
3IK15RA-C 3RK15RGN-A
3RK15RA-A
3RK15RGN-C
3RK15RA-C
25W 4IK25GN-A(M)
4IK25GN-C(M)
4IK25GN-S(M)
4IK25GN-U(M)
4IK25A-A(M)
4IK25A-C(M)
4IK25A-S(M)
4IK25A-U(M) 4RK25GN-A(M)
4RK25GN-C(M)
4RK25GN-S(M)
4RK25GN-U(M)
4RK25A-A(M)
4RK25A-C(M)
4RK25A-S(M)
4RK25A-U(M) 25W 4IK25RGN-A
4IK25RGN-C
4IK25RA-A
4IK25RA-C 4RK25RGN-A
4RK25RGN-C
4RK25RA-A
4RK25RA-C
40W、60W 5IK40GN-A(M)
5IK40GN-C(M)
5IK40GN-S(M)
5IK40GN-U(M)
5IK40A-A(M)
5IK40A-C(M)
5IK40A-S(M)
5IK40A-U(M)
5IK60GN-AF(M)
5IK60GN-CF(M)
5IK60GN-SF(M)
5IK60GN-UF(M)
5IK60A-AF(M)
5IK60A-CF(M)
5IK60A-SF(M)
5IK60A-UF(M) 5RK40GN-A(M)
5RK40GN-C(M)
5RK40GN-S(M)
5RK40GN-U(M)
5RK40A-A(M)
5RK40A-C(M)
5RK40A-S(M)
5RK40A-U(M)
5RK60GN-AF(M)
5RK60GN-CF(M)
5RK60GN-SF(M)
5RK60GN-UF(M)
5RK60A-AF(M)
5RK60A-CF(M)
5RK60A-SF(M)
5RK60A-UF(M) 40W、60W 5IK40RGN-A
5IK40RGN-C
5IK40RA-A
5IK40RA-C
5IK60RGN-AF
5IK60RGN-CF
5IK60RA-AF
5IK60RA-CF 5RK40RGN-A
5RK40RGN-C
5RK40RA-A
5RK40RA-C
5RK60RGN-AF
5RK60RGN-CF
5RK60RA-AF
5RK60RA-CF
90W、120W 5IK90GU-AF(M)
5IK90GU-CF(M)
5IK90GU-SF(M)
5IK90A-AF(M)
5IK90A-CF(M)
5IK90A-SF(M)
5IK90GU-UF(M)
5IK90A-UF(M)
5IK120GU-AF(M)
5IK120GU-CF(M)
5IK120GU-SF(M)
5IK120A-AF(M)
5IK120A-CF(M)
5IK120A-SF(M) 5RK90GU-AF(M)
5RK90GU-CF(M)
5RK90GU-SF(M)
5RK90A-AF(M)
5RK90A-CF(M)
5RK90A-SF(M)
5RK90GU-UF(M)
5RK90A-UF(M)
5RK120GU-AF(M)
5RK120GU-CF(M)
5RK120GU-SF(M)
5RK120A-AF(M)
5RK120A-CF(M)
5RK120A-SF(M) 90W、120W 5IK90RGN-AF
5IK90RGU-AF
5IK90GN-CAF
5IK90GU-CF
5IK90RA-AF
5IK90RA-CF
5IK120RGU-AF
5IK120RGU-CF
5IK120RA-AF
5IK120RA-CF 5RK90RGN-AF
5RK90RGU-AF
5RK90GN-CAF
5RK90GU-CF
5RK90RA-AF
5RK90RA-CF
5RK120RGU-AF
5RK120RGU-CF
5RK120RA-AF
5RK120RA-CF
21K6GN
2RK6GN
21K6RGN
2RK6RGN
31K15GN
3RK15GN
31K15RGN
3RK15RGN
41K25GN
41K25RGN
4RK25RGN
51K40GN
5RK40GN
51K40RGN
5RK40RGN
51K60GN
5RK60GN
51K60RGN
5RK60RGN
51K90GU
5RK90GU
51K90RGU
5RK90RGU
51K120GU
5RK120GU
51K120RGU
5RK120RGU
51K150A
ZD400-SZD400-SZD400-SZD400-SZD400-SZD400-SZD400-SZD400-SZD400-SZD400-S台湾ZD电机ZD马达ZD电机 台湾ZD电机ZD马达 ZDMOTOR电机 台湾ZD PRECISION INDUSTRIAL HOLDINGS电机ZDMOTOR电机 ZS100-S ZD400-S ZD200-S ZD750-S ZD1500-S ZD2200-S ZD200-S ZH-2 1:20 ZS100-S ZD400-S ZD200-S ZD750-S ZD1500-S ZD2200-S ZD200-S ZH-2 1:20 51K60RGU-CFW + 5GU60K 51K120GU-S3F 5GU5KB 51K90A1-S-J 51K90RGU-CF 5GU60KB 5IK90RGU-CF 5GU60KB 5RK90RGU-CF 5GU60KB 5GN300K 5GU300K 5IK60GN-S3F 51K60GN-S3F 51K90GU-S3F 5RK60GN-S3F 5RK90RGN-S3F
台湾AC INDUCTION MOTOR电动机ZD电机ZD马达ZD SPEED CONTROL MOTOR 电机ZD GEAR HEAD 电机ZD电机 ZD带减速箱马达