[规范公约] 安庆大发发电机实验规范 第一次发帖 大家支持啊 谢谢

一. Generator Test

发电机试验

1. Description

说明

发电机试验

During test on board, water resistance shall be used as test load (PF=1.0).

   系泊试验中，发电机试验负荷采用水负荷（功率因素＝1）。

B. The instruments on the MSB and ESB may be used for measured at test.

主配电板和应急配电板上的仪表，在试验中可作测量用。

2. Main Generator

主发电机

2.1
Main Electrical Properties

主发电机数据

2.2
Insulation Resistance Test

绝缘电阻试验

Before and after load test, the insulation resistance in the following items shall be measured respectively by means of 500 V megger resistance shall be not less than 1 MW.在发热运转试验的以前和以后分别做，用 500V 的兆欧表测量下面两者
间的绝缘电阻，绝缘电阻值应³1MW。

a) Stator coil to earth.定子绕组和地

a) Space heater to earth.

空间加热器和地

Note:
AVR and the breakers or circuit of the elements and components, which might be damaged during measuring, shall be disconnected when the insulation is measured.

注：在测量绝缘时切断 AVR、及有可能损坏的元、部件的断路器或
路。

2.3
Load Test

负荷试
验

Each generator set shall be load-tested according to following condition.

           每台发电机应按下表做负荷实验：

Take down the record of ambient temperature, bearing temperature, voltage, current, frequency and power, etc. The temperature shall be measured by direct reading thermometer and recorded after load test.

在负荷实验后，做好环境温度、轴承温度、电压、电流、频率、功率等的测量工作，温度采用直读式温度表。

2.4    Static Voltage Characteristic Test

Voltage, frequency and load shall be adjusted to rated value. Load shall be changed in accordance with the following order (percentage of rated load); power factor is 1.0 on each condition (with water resistance).

发电机在额定频率、额定电压的情况下,负荷按下列顺序值变化，在每种工况下功率因数保持1.0(水电阻);

100%(600 kW) ® 75%(450KW) ® 50% (300 KW) ® 25% (150KW) ® 0% ® 25% ® 50% ® 75% ® 100%.

Voltage, frequency and current shall be measured for recording at every stage of load.

记录每级负荷下的电压、电流、频率。

The generator set to be maintaining the voltage under steady conditions within ±2.5% of the rated voltage for all loads.

             在各种负荷下，发电机稳态电压调整率应在±2.5%内。

2.5
Governor Test

调速器试验

When the diesel generator unload suddenly from 100% to zero (for 600kw D/G: 100%→0%®
43%®
72%® 100%), transient frequency, transient voltage, steady frequency, steady voltage shall be observed. (as per maker’s standard)

          当柴油发电机负荷由100%突然降到零时，(for 720kw D/G: 100%→0%®
43%
®
72%® 100%),要观察瞬态频率、瞬态电压、稳态频率、稳态电压（按厂商标准）。

2.6
Paralleled Running Test (with water resistance)

并联运行试验 (用水电阻)

When generator sets run in parallel, check the reliability of parallel running. These generators running in parallel shall be both sets to about 75% of rated load. Voltage, frequency is adjusted to their rated values, and then the load shall be changed as below orders without adjusting voltage and frequency. Voltage, frequency, current and power at the state of each load shall be measured and recorded.

75%®100%®80%®60%®40%®20%®40%®60%®80%®100%®75%

当主发电机并联运行时，检查发电机并联运行的可靠性；三台发电机中每
二台做并联运行，发电机共带上75％
额定负荷;电压、频率设定额定值，按下述顺序去改变负荷（额定负荷的百分比）；在整个
过程中不得调整电压和频率。75%®100%®80%®60%®40%®20%®40%®60%®80%®100%®75%

In each point of the above loads, an effective power, voltage and frequency shall be measured and the load sharing is to be such that the active load on any generator is not to differ from its proportionate share of the total load by more than 15% (i.e. Un-balanced-ness of active load: £
±15%).

在上述每个工作点上，测量每台发电机的有功功率、电压和频率。各发电机所承担的有功功率与总功率按机组额定比例分配值之差不应大于15％。

Auto parallel and auto disconnect:

自动并联和自动解列

(1) No.1 set is running and supplying to network. No.2 set is stand-by.

NO.1机组运行供电，NO.2机组备用

1) Increase the load of network to more than 90% (540KW).

增加电网负载
³90％
（540kW）；

2) Delay , No.2 set starts and synchronizes automatically. And it joints the network and parallels with No.1 set.

延时,NO.2机组自动起动同步，和NO.1机组并网供电；

3) Let them run stably for certain time and check the auto-distribution of load.

稳定一定时间后，检查负载自动分配；

4) Reduce the network load to 30% of each set (180kW) , delay about
Load should be transported to No.1 set automatically. And No.2 set disconnects automatically.

减少电网负载，每台发电机至30％
（180kW）。延时,负载应自动转移至NO.1机组，NO.2机组自动停车。

(2) No.2 set runs and supplies to network. No.3 set is stand-by.

NO.2 机组运行入网，NO.3机组备用

(3) No.3 set runs and supplied to network. No.1 set is stand-by.

NO.3 机组运行入网，NO.1机组备用

Carry out the test by following above steps 1)~4).

依次进行1)~4)项目的试验

Auto start test of stand-by set

备用机组自动起动试验

Set the switches on MSB to ‘Auto’ position. Generator is to be tested under no load.

将主配电板上开关设定在自动位置，试验机组没有负载进行。

(1) Running generator set fails and stops, stand-by set starts automatically:

运行发电机组故障停车，备用机组自动起动。

(2) Bus fails, stand-by set starts automatically

汇流排故障，备用机组自动起动。

a) BUSBAR VOLTAGE HIGH

汇流排电压高

b) BUSBAR VOLTAGE LOW

汇流排电压低

c) BUSBAR FREQUENCY HIGH

汇流排频率高

d) BUSBAR FREQUENCY LOW

汇流排频率低

2.7     Service engineer of maker shall carry out automatic control system   generator set(auto power station)test.

     对于自动化电站发电机的自动控制功能由厂商的服务工程师完成。

     Heavy Load “Star Request” Function Test for each deck crane.

     对于每台克令吊都要做重载问询功能试验。