变压器

After analyzing the working character of the transformer in details and absorbing the advantages in other power transformer protection, a scheme which is fit to power transformer of 35kV or below voltage ratings is put forward.

根据这一类电力变压器的运行特点，吸取以往各种保护方法的长处，提出了一套适合于35kV及以下电压等级的电力变压器保护方案。

In this paper the acid number and breakdown voltage of transformer oil are tested.

加速氧化会使变压器油酸值增加，对变压器油的酸值和击穿电压进行了测定。

When normal operation the saturated transformer type SSFCL is equivalent to original transformer coupling solid state fault current limiter, but the coupling transformer coil enters deep saturation when short circuit fault occurs. After the SCR bridge withdraws from the system connection, the saturated coil reactance and the leakage reactance of coupling transformer play the role of limiting stable short-circuit current, equivalent to SSFCL with bypass inductance.

饱和变压器型固态限流器正常运行时等效于原来的变压器耦合固态限流器；但在短路限流时允许耦合变压器铁心进入深饱和；在桥路退出系统后，饱和激磁电抗和漏抗起到限制稳态短路电流的作用，等效于带旁路电感的固态限流器。

In chapter 2, the shortcomings of Innas HT are analyzed. A new structure of the HT is proposed to expand the output pressure scope. The pressure fields between the cylinder block and the valve plate and between the valve plate and the end housing have been set up, and the HT is designed and checked. The computational results meet the requirements of the optimum distribution and strength.

第二章，对Innas液压变压器存在的缺陷进行了分析；为拓展液压变压器的调压范围，提出了一种新型结构，并进行结构设计；建立了缸体-配流盘之间，配流盘与后端盖之间的压力场数学模型，并据此对液压变压器进行设计与校核，计算结果满足最佳配流和强度要求。

Digital Language nuclear phase meter, intelligent dielectric loss test, instrument megger, frequency series resonance test device, grounding resistance tester, transformer load switch tester, the nuclear-phase high-pressure device, vacuum oil filter, clamp grounding resistance instrument, stray current detector, transformer features an integrated tester, cable fault tester, DC resistance tester, digital relay protection tester, automatic transformation ratio tester, relay protection tester, vacuum tester, Loop resistance tester, wireless high-pressure phase of nuclear device, active transformer capacity tester, insulation oil dielectric strength tester, high voltage switch mechanical properties tester, intelligent switching characteristics tester, light-up-flow devices, wireless instrument of nuclear phase, oxidation Zinc arrester tester, high voltage test transformer, DC high-voltage generator, lightning counter checkers, inductive load DC resistance tester, dielectric strength of insulating oil automatic tester, relay protection test chamber, multi-function test bed, IF DC - Generators

数显语言核相仪，智能化介质损耗测试，仪兆欧表，变频串联谐振试验装置，接地电阻测试仪，变压器有载开关测试仪，高压核相仪，真空滤油机，钳形接地电阻仪，杂散电流测定仪，互感器特性综合测试仪，电缆故障测试仪，直流电阻测试仪，微机继电保护测试仪，全自动变比测试仪，继电保护测试仪，真空度测试仪，回路电阻测试仪，高压无线核相仪，有源变压器容量测试仪，绝缘油介电强度测定仪，高压开关机械特性测试仪，智能开关特性测试仪，轻型升流器，无线核相仪，氧化锌避雷器测试仪，高压试验变压器，直流高压发生器，雷击计数器校验器，感性负载直流电阻测试仪，绝缘油介电强度全自动测试仪，继电保护试验箱，多功能测试台，中频直流发生器

Company's products are as follows: 1, AC-DC transformer test, the control box and console, high-voltage direct current generator, high-current generator, the third-harmonic power generator , AC-DC high-pressure measuring device, dry-type isolation transformers. 2, MOA tester, relay calibrator, DC Resistance Tester, insulating oil dielectric strength tester, dielectric loss tester, insulating oil dielectric loss tester, transformers containing a switch tester. 3, clamp-type ground resistance tester, grounding resistance table, insulation resistance tester, switch mechanical properties tester, loop resistance tester, vacuum tester. 4, cable fault Tester (notebook computers, LCD, kinescope three shows), sentinel-synchronous digital, cable identification device, try扎cable, high-voltage integrated devices, underground pipeline detector, cable detector, high pressure Cable Detector, DC Bridge, DC arms Bridge, the PSA than the bridge. 5, the company also several well-known domestic and foreign agents company's products, for example: Japan has legislation (Xinhua shake table 3121,3122,3123,3125), Japan with 000 (high-voltage clamp-type table HCL1000D, HLC9000, HLC5000, etc.), cable Altimeter instrument, laser range finder, non-metallic pipeline positioning system, and so on. N:-yuan power equipment

公司产品如下：1、交直流试验变压器、控制箱及控制台、直流高压发生器、大电流发生器、三倍频电源发生器、交直流高压测量装置、干式隔离变压器。2、氧化锌避雷器测试仪、继电保护校验仪、直流电阻测试仪、绝缘油介电强度测试仪、介质损耗测试仪、绝缘油介质损耗测试仪、变压器有载开关测试仪。3、钳型接地电阻测试仪、接地电阻表、绝缘电阻测试仪、开关机械特性测试仪、回路电阻测试仪、真空度测试仪。4、电缆故障测试仪（笔记本电脑、液晶、显象管三种显示）、数显同步定点仪、电缆识别仪、电缆试扎器、高压一体化装置、地下管线探测仪、电缆探伤仪、高压电缆探伤仪、直流电桥、直流双臂电桥、变压比电桥。5、本公司还代理国内外多家知名公司的产品例如：日本共立（电动摇表3121、3122、3123、3125等）、日本万用（高压钳型表HCL1000D、HLC9000、HLC5000等）、线缆测高仪、激光测距仪、非金属管线定位系统等等。

There is larger clearance between S9-M power transformer terminal box lower side and transformer heat-radiation fi ns, foreign objects are easy to get into terminal box to make short circuit between phases and cause transformer tripping or damages.

S9-M电力变压器接线端子箱下面与变压器散热片之间存在较大空隙，外界物体容易进入端子箱内，造成相与相之间短路，导致变压器跳闸或损坏。

Introduced the analysis and processing of a transformer with three-phase winding of DC resistance imbalanced defect,through further analysis of the after processed DC resistance,believed the transformer still existing the polarity selector"-" side contact deficiency,further on finding out the method of comparing corresponding DC resistance difference rate at each tap has the advantage to detect the polarity selector defect more accurately more sensitively and more directly.

对一台变压器出现三相绕组直流电阻不平衡缺陷的分析和处理情况做了介绍；通过对处理后直流电阻的进一步分析认为，该变压器还存在极性选择开关&－&向侧仍有接触不良方面的缺陷，遂进一步提出，如采用比较各对应分接位置下直流电阻差率的方法能够有更准确、灵敏、直接地发现极性选择器方面缺陷的优点；还提出了测试变压器绕组直流电阻时的几点注意事项。

Besides, the processed products includes: power source input line, AV line, end strand and each kind of electron meets the thrust line. The production and examination are strictly in accordance with national security standard.

主要生产三大产品---1：闭路监控器材 2：各种电源适配器，电源变压器、开关电源、环形变压器、R型变压器及各种充电器等专业产品 3：各种电子连接线及电线电缆。

The direct reason of abnormal vibration in this transformer is unreasonable shell structure of transformer case, which causes the greater residual magnetism in the transformer.

为尽快分析原因，确认该主变压器是否可以继续运行，对运行单位如何做好该主变压器的运行监视提出意见，对该变压器的振动、谐波、直流

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。